Trying to stay least expensive is a problem. Disable Etag. I wrote 2 programs - one simple web service client as a Java console program and one web service. The action it performs is determined by the first argument. If a token is set in the delegation query parameter, the authenticated user is the user encoded in the token. You can do this by running the following commands:. Mod_python [1] is an Apache server [2] module that embeds the Python interpreter within the server and provides an interface to Apache server internals as well as a basic framework for simple application development in this environment. *While viewing a website, click on the bookmarklet in your links toolbar to view the HTTP Headers returned by the URL. Assuming you wish to keep the regions separate, if you have a header region with an extent of 20mm, you should define a margin for the body region of at least 20mm too. Unfortunately, we’re stuck with the Server header on Apache. Header public Header(String name, String value, boolean isAutogenerated) Constructor with name and value Parameters: name - the header name value - the header value isAutogenerated - true if the header is autogenerated, false otherwise. conf of Apache web server. This article explains what secure headers are and how to implement these headers in Rails, Django, Express. Setting these headers is very easy, and following is an example configuration for each of the major webservers. x through 2. Apache’s mod_cookie module generates cookie values randomly and upon request. Set the syslog facility. The normal mode is late, when Request Headers are set immediately before running the content generator and Response Headers just as the response is sent down the wire. 4 branch API compatibility is preserved for the life of the 2. Mod_Python - Integrating Python with Apache Gregory Trubetskoy Abstract. host, http. The header’s may be specified as a literal string, or it may take advantage of String concatenations to calculate a dynamic value for the header. devuxmachine. How to Set Up Virtual Hosts Using WAMP This is Part 1 of my 2-part series, Better Living Through PHP. However, you can also configure SSL host headers using the command line. htaccess file will add keep alive headers to your requests, which will override most webserver or host limitations. How can apache Tomcat (v 4. This allows you to make even trickier stuff than curl would normally do. This can result in two (or more) headers having the same name. This prevents unauthorized servers (e. If you are able to access your Apache config file, you can turn on keep-alive there. This section of the documentation applies to the URL Rewrite Module Version 2. If an entry to be merged matches an existing header name, it replaces the previous entry, unless the entry value is empty, in which case any existing entry is removed. Using Apache 2 configuration to add Content-disposition header Apache 2 web server has a header manipulation module (mod_headers) that allows adding required headers to HTTP response. Hence the usual advice is to print an explicit Content-Type header. ini **, but unlike those "master" directive files, these. Today I am going to describe how to do it in Apache. Apache Spark is a fast, scalable data processing engine for big data analytics. conf that is better. The standardization and experimentation of the Link: header would therefore be done with the HTML spec. Custom response headers are sent to the client together with the default HTTP header. Represents an HTTP header field. Always use Late mode in an operational server. Each header field consists of a name followed by a colon (":") and the field value. Is used for overruling CamelFileName header and use the value instead (but only once, as the producer will remove this header after writing the file). Apparently for them it is a philosophical issue, despite that the specification for HTTP/1. We will not cover obtaining SSL certificates in this particular tutorial, but you can follow this tutorial on obtaining free SSL certificates on CentOS Linux with Let's Encrypt. The CredentialsProvider Interface maintains a collection to hold the user login credentials. Fix "Specify a Vary: Accept-Encoding Header" Warning in Apache To fix this in Apache, add the following code to your. And I don't see a way anywhere in the nginx documentation to get the port that nginx got the request on. ini **, but unlike those "master" directive files, these. The date is specified in terms of milliseconds since the epoch. Early mode was designed for testing purposes. c and mod_headers. For Thrift version 0. If you need to set up SSL Host Headers for IIS 7 instead of IIS 6, see SSL Host Headers in IIS 7. The second step is to set up outbound rules to rewrite or empty the values for response headers. Implementation: Add SecServerSignature directive with your desired server name in setup. In this section, you will learn how to create advanced Test Plans to test a Web site. Is used for overruling CamelFileName header and use the value instead (but only once, as the producer will remove this header after writing the file). remote exploit for Windows platform. The X-Frame-Options in HTTP response header can be used to indicate whether or not a browser should be allowed to open a page in frame or iframe. This video is unavailable. Implementing Content Security Policy in Apache 25th October, 2016 by yasminelsaie Along with SQL injection attacks, cross-site scripting (XSS) attacks are some of the more common to be used when attacking a website. htaccess files. config to send HTTP Security Headers for your Web Site. See also: http-security-headers. 2006-09-28 Re: [[email protected]] Header set Server - not working. If set to On, each request and reply will get a Via: header line added for the current host. Due to this, I keep getting a ' Object reference not set to an instance of an object. Is it possible to set headers conditionally? Ask Question Browse other questions tagged apache. What we can do is shrink it down to simply “Apache”, omitting the Apache version, the OS, the OS version, etc. Be careful to only add this configuration option to the HTTPS (:443) vhost, and not in the HTTP (:80) version. Header set X-Frame-Options DENY X-Content-Type-Options. Apache ActiveMQ Artemis currently doesn't support virtual hosting, which means the host header in CONNECT frame will be ignored. 2006-09-28 Re: [[email protected]] Header set Server - not working. How to modify website HTTP response headers via Apache? Answer. These are things like images, CSS and JavaScript files. The documentation includes improved contents for how to set up, install, and administer your Kafka ecosystem. After the robots. With UseCanonicalName On Apache will use the hostname and port specified in the ServerName directive to construct the canonical name for the server. Add the following configuration fragment at the end of the httpd. I found a lot of tutorials there but all of them shows how to hide version information from "Server" header. The process is the same for all web servers. So this is a short summary of some of the areas/pitfalls to look for. To see that header, you would have to have your backend code look for it and log the value. Building an Advanced Web Test Plan¶. You need to set URL headers when making an HTTP request in Scala. This allows one to set up a default set of headers, and apply adjustments to the particular sampler. void: setHeader(boolean val) Returns whether the appender produces the HEADER part (that is, timestamp and host name) of the syslog packet. Set Access-Control-Allow-Origin (CORS) authorization to the header in Apache web server. This page explains how to establish a network topology in which Apache HTTP Server acts as a reverse proxy for Atlassian server applications. mod_rewrite and mod_headers to rewrite headers This came up at work today and I don't see a solution anywhere out there: how can you use Apache's mod_rewrite to add, modify or delete HTTP headers?. However, this same script works as expected (including cookies in header) when I point it at a different environment that is running IIS 6 (. Some simple code to do something with data from an XML document fetched over the network: function processData(data) {// taking care of data} function handler() {if. This is best illustrate by an example. One simple task that can be completed is simply retrieving basic response headers. Fix “Specify a Vary: Accept-Encoding Header” Warning in Apache To fix this in Apache, add the following code to your. Today I am going to describe how to do it in Apache. To defense Clickjacking attack on your Apache web server, you can use X-FRAME-OPTIONS to avoid your website being hacked from Clickjacking. A few other headers you may wish to use explicitly are: Status (to set HTTP return code explicitly. Instructing Apache to add a header named "Custom-Header" Setting the header parameter and value to "parameter" and "value", respectively; That's all there is to it. Example:-X-Frame-Options header is sent by a server to prevent ClickJacking attacks. types - the method expects the plural variant. And you can add Cache-Control header on Apache on a per file type basis. conf in your VirtualHost or in an. nse Script Arguments. In the Home pane, double-click HTTP Response Headers. The Cache-Control general-header field is used to specify directives for caching mechanisms in both requests and responses. Disable MIME type sniffing, which can e. htaccess" files to implement custom headers. This article explains what secure headers are and how to implement these headers in Rails, Django, Express. See also: http-security-headers. Lines 1 and 2 leave room for technical header lines, e. How do I send a header to my Web server (such as Nginx / Lighttpd / Apache / ISS) on a Apple OS X or Unix or Linux based system using a curl command line option for testing and debugging my web apps or server nodes behind a load balancer? The curl command supports -H or --header option to pass extra. Apache HTTP Authentication with PHP At one time or another, we’ve all had to log into a password-protected Web site. objects using the above property. If the even/odd property is not set, that is the same as the even header/footer not existing. If you use a custom CXF interceptor to set one or more outbound HTTP headers then it is recommended to get this interceptor running at a stage preceding the WRITE stage, before the outbound body is written out. Apache Error: Premature End of Script Headers. When to set custom headers. We have a session abstraction which allows an extensible set of underlying implementations - take a look at the class org. Set the syslog facility. We will not cover obtaining SSL certificates in this particular tutorial, but you can follow this tutorial on obtaining free SSL certificates on CentOS Linux with Let's Encrypt. For example to set the type as a java. The latest oil to that particular fire has been added by the Apache Foundation, which added a patch to its open source Apache HTTP Server that will make it ignore the DNT header if sent by the. When we use SSI ( Server Side Include ) in Apache web server, it removes content-length header from the response sent to client. HTTPConstants. Apache2::RequestRec provides the Perl API for Apache request_rec object. Check HTTP response headers in firebug; you should see X-Frame-Options as shown in the below image. It gives your website a score, based on present HTTP security headers, from an A+ grade down to an F grade. I want to use Apache to append a value to a response header. You often need to access the response headers to determine the success of your client request to a web service. Working with headers Apache Commons CSV provides several ways to access record values. 0 provides support for rules-based rewriting of the response HTTP headers. x through 2. Please note that some headers may be best configured in on your HTTP servers, while others should be set on the application layer. , Apache service won't start. useLocalTimeStamp is set to true). 0 cakephp locale constants dmask egypt etisalat feeds fstab how to http headers HTTPS i18n install internationalization l10n lamp linux locale localization mobile mobinil mysql narwhal natty php php 5. Adding this to your. Note: the answer is only valid on a server with Nginx disabled HTTP response headers are defined by the Apache module "mod_headers", which is installed with Plesk by default. So please add must-revalidate to your Cache-Control header for your. How to create header in spreadsheet?. When Camel sends a message using its JMSProducer, it checks the following conditions: The message exchange pattern, Whether a JMSReplyTo was set in the endpoint or in the message. conf of Apache web server. With Wagon 2. The header fields are transmitted after the request line (in case of a request HTTP message) or the response line (in case of a response HTTP message), which is the first line of a message. Apparently for them it is a philosophical issue, despite that the specification for HTTP/1. For Thrift version 0. This is possible using the apache_request_headers() function but it only works if PHP is run on Apache as a module. See the spi-fly-example-provider1-bundle for an example of a provider using this type of configuration. Of course, you may want to dynamically server the CORS headers, but this is dead-simple. , Apache service won't start. Configuring result type From Camel 2. Your donations will help to keep this site alive and well, and continuing building binaries. Custom Headers Languages : English • Français • Hrvatski • Русский • Headers 日本語 Português do Brasil • 中文(简体) • ( Add your language ) Custom Header is a theme feature introduced with Version 2. Destination names. Check HTTP response headers in firebug; you should see X-Frame-Options as shown in the below image. Destination: Set by the producer: Apache, the. New in httpd 2. In the code below we create a new class called MyRouteBuilder that extends the org. The request header is added to the existing set of headers, even if this header already exists. c enabled and I have added this line: Header set Strict-Transport-Security "max-age=15552000; includeSubDomains; preload". This is not an issue for headers which may safely be specified multiple times, such as Set-Cookie, but for headers which may only be specified once you may prefer to use set-header instead. Failure or "failing" screen when drive, and copy my existing set one up. In addition, a Keep-Alive connection with an HTTP/1. htaccess', and you will be able to access the resources in that directory (and all nested directories) via other websites. 0 client can only be used when the length of the content is known in advance. io) How to setup the httpd. Add the following line inside either the , , sections under in Apache configuration files. Uncomment (or add) " LoadModule headers_module modules/mod_headers. I want the best for the least amount of money! Sound familiar? Or I hear, “I’m on a budget!” Give me a break! 😉 First we have to review my upgraded engine compartment. To run Subversion under Apache, you have to set the security context of the repository to allow Apache access (or turn off the restrictions on Apache, if you think all this is overkill). Header set Connection keep-alive The beauty of using this method is that it overrides any settings made in the config file of your server. Implementation: Add SecServerSignature directive with your desired server name in setup. This allows one to set up a default set of headers, and apply adjustments to the particular sampler. This is best illustrate by an example. As of the first GA release of the 2. The headers are separated from the request or response body by a blank line. In a later post I'll describe setting virtual hosts with SSL enabled,request rewriting and redirection. There is a chance you have a very low timeout and this may be causing the famous “Script timed out before returning headers” issue. One version says that the name originates from the famous Native American heritage, while the other says that the name is a pun on "a patchy server", which followed a series of software. Apache Kafka includes new java clients (in the org. These clients are available in a seperate jar with minimal dependencies, while the old Scala clients remain packaged with the server. The Thrift interface definition language (IDL) allows for the definition of Thrift Types. Otherwise the custom headers may get lost. Unfortunately, we’re stuck with the Server header on Apache. io) How to setup the httpd. 6 python routes rss rss feeds SSL tkinter ubuntu umask variable constants. The applicable sections are shown below #. The Apache HTTP server offers a range of caching features that are designed to improve the performance of the server in various ways. This section will walk you through the process of preparing your server for Apache, setting up Apache, and testing the installation. HTTP header fields are components of the message header of requests and responses in the Hypertext Transfer Protocol (HTTP). Bookmarklet : Webconf's HTTP Header Check *Drag the above link to your browser's Links Toolbar. This chapter explains, how to execute a client request against a site that asks for username and password. It allows web servers to declare that web browsers (or other complying user agents) should interact with it using only HTTPS connections, which provide Transport Layer Security (TLS/SSL), unlike the insecure HTTP protocol used alone. Check Header on under Header. objects using the above property. The documentation is fairly well written and can be found here: mod_headers documentation. It is optional, and off by default, on all versions of Apache. 2) states that the "header unset Server" directive should work: "The header is modified just after the content handler and output filters are run, allowing outgoing headers to be modified. The Apache OpenOffice User Forum is an user to user help and discussion forum for exchanging information and tips with other users of Apache OpenOffice, the open source office suite. append The request header is appended to any existing header of the same name. Early and Late Processing. This document describes the ap_expr expression parser. Server and X-Powered-By are two common headers that reveal information about a website that could be useful to attackers, so we should remove them if we can. HTTP Strict Transport Security (often abbreviated as HSTS) is a security feature that lets a web site tell browsers that it should only be communicated with using HTTPS, instead of using HTTP. The Thrift interface definition language (IDL) allows for the definition of Thrift Types. To configure an Apache HTTP server as a reverse proxy, forwarding requests for a given set of URLs to another server. clients package). Other software like Zeus, Tomcat? Detailed info? Read the Mozilla Page. This page explains how to establish a network topology in which Apache HTTP Server acts as a reverse proxy for Atlassian server applications. In short, they set a strong Forward Secrecy enabled ciphersuite, they disable SSLv2 and SSLv3, add HTTP Strict Transport Security and X-Frame-Deny headers and enable OCSP Stapling (except on Lighttpd, it does not support that yet). Failure or "failing" screen when drive, and copy my existing set one up. Request attributes are also used to enable the forwarded remote address to be displayed on the status page of the Manager web application. Apache – How to setup the httpd. Part of that request includes a series of "headers". INSERT OVERWRITE DIRECTORY commands can be invoked with an option to include a header row at the start of the result set file. 19 allows remote attackers to cause a denial of service (memory and CPU consumption) via a Range header that expresses multiple overlapping ranges, exploit called "Apache Killer". At least one of "Content-Type", "Status" and "Location" is almost always required. Traditionally, an HTTP reverse proxy uses non-standard headers to inform the upstream server about the user's IP address and other request properties:. htaccess file, for example. What HTTP Headers is my browser sending? Every time your web browser opens a web page, it sends a "request" for that page. Then set SQLALCHEMY_CUSTOM_PASSWORD_STORE in your config file to point to that function. conf configuration file. On my installation it looks like this: # Add security and privacy related headers Header set X-Content-Type-Options "nosniff" Header set X-XSS-Protection "1; mode=block" Header set X-Robots-Tag "none" Header set X-Download-Options "noopen" Header set X-Permitted-Cross-Domain-Policies "none" Header set. The "Header" directive has a number of possible actions including: set, unset, append, add and echo. Some of the non-standard HTTP headers have an X-Forwarded prefix. Sqoop will read the table row-by-row into HDFS. As of the first GA release of the 2. good afternoon all I have been recently been "relocated" within our IT dept and now tasked with supporting Apache Tomcat on windows Our cyber dept scanner has identified my. By default, the logs do not record source IP addresses for clients - but as of Apache version 2. *While viewing a website, click on the bookmarklet in your links toolbar to view the HTTP Headers returned by the URL. Using IIS? Check out IIS Crypto. Authentication. Sets the path and other parameters of a cache. com" If you need to set a specific-duration cookie instead of a session cookie, then you will need to use a script to do it, since there is no facility in. Does anyone know if there's a way to override the default value set by the servlet container (obviously Tomcat in this case)? Thanks, David. Set Header set Referrer-Policy “no-referrer” in your. HPKP is set at the HTTP level, using the Public-Key-Pins response header. Apache - How to setup the httpd. Set Access-Control-Allow-Origin (CORS) authorization to the header in Apache web server. The normal mode is late, when Request Headers are set immediately before running the content generator and Response Headers just as the response is sent down the wire. HOST, "localhost:8080") ; adding this header causes a Connection reset socket exception. This can result in two (or more) headers having the same name. c enabled and I have added this line: Header set Strict-Transport-Security "max-age=15552000; includeSubDomains; preload". conf): Header always append X-Frame-Options SAMEORIGIN This works, but we have certain URIs/domains we need to allow iframes includes from. Set Header set Referrer-Policy "no-referrer" in your. In this post I'll describe how to set configure apache to send Security concerned HTTP headers in its response and hide sensitive information from server response headers. Get the headers sent from the browser with PHP Posted in PHP - Last updated Sep. Set content type and protocol headers (Message. Early and Late Processing. HOST, "localhost:8080") ; adding this header causes a Connection reset socket exception. Configuring result type From Camel 2. Some simple code to do something with data from an XML document fetched over the network: function processData(data) {// taking care of data} function handler() {if. Using Apache 2 configuration to add Content-disposition header Apache 2 web server has a header manipulation module (mod_headers) that allows adding required headers to HTTP response. See also: http-security-headers. Is used for overruling CamelFileName header and use the value instead (but only once, as the producer will remove this header after writing the file). The easiest way to set HTTP headers when calling a web service is to use the Apache HttpClient library to set the headers before making the request, as shown in this example:. Hello everyone, I need help to create a header in docx file. This can result in two (or more) headers having the same name. conf in a text editor. Early mode was designed for testing purposes. When an online visitor requests your web page, the Velocity Templating Engine will search through your web page to find all # characters, then determine which mark the beginning of VTL statements, and which of the # characters that have nothing to do with VTL. If the header already exists, however, the append option adds to the existing header value. HTTP messages use the generic message format of RFC 822 for transferring entities (the payload of the message). htaccess file resides, and all the folders inside. mod_rewrite and mod_headers to rewrite headers This came up at work today and I don't see a solution anywhere out there: how can you use Apache's mod_rewrite to add, modify or delete HTTP headers?. The second special case is the "Location:" header. In the configure method the Java DSL is at our disposal. The process is the same for all web servers. htaccess" files to implement custom headers. Fix “Specify a Vary: Accept-Encoding Header” Warning in Apache To fix this in Apache, add the following code to your. Apache POI allows us to set header for our excel document. conf in your VirtualHost or in an. Etags, also known as “Entity Tags,” are a vulnerability in Apache. Apache2::RequestRec provides the Perl API for Apache request_rec object. 1 Producer API. Adding Content-disposition header through web server configuration is easy (albeit not always possible if the need to store the file is dictated by a web. 4 and newer, headers containing "invalid" characters (including underscores) are silently dropped, so you must set this to a "valid" name containing only alphabetic characters and hyphens. htaccess file will include the header for your webpages, you may need to use. The Knox Gateway provides a single access point for all REST and HTTP interactions with Apache Hadoop clusters. The header's may be specified as a literal string, or it may take advantage of String concatenations to calculate a dynamic value for the header. Disable MIME type sniffing, which can e. c enabled and I have added this line: Header set Strict-Transport-Security "max-age=15552000; includeSubDomains; preload". The reported problem was that the request was missing a Content-Length header, but in reality the response was being sent with Content-Transfer-Encoding set to chunked (through mod_jk). An HTTP client sends a request message to an HTTP server. This is a quick post that shows how I set up the “Feature-Policy”, “Referrer-Policy” and “Content Security Policy” headers in Nginx to tighter security and privacy. HOST, "localhost:8080") ; adding this header causes a Connection reset socket exception. The action it performs is determined by the first argument. By default, Apache send version and few modules details to header such as mod_php, mod_perl, mod_ssl with every http header. Header definition is - one that removes heads; especially : a grain-harvesting machine that cuts off the grain heads and elevates them to a wagon. Otherwise, the function is invoked only for those elements matching the keys specified. If the header had already been set, the new value overwrites the previous one. Configuration for Nexus IQ Server (CLM) is almost identical, except that the method used to configure the request header is different. You should not replace internally set headers without knowing perfectly well what you're doing. 6) be configured to redirect a domain to a specific virtual directory or folder? For example, suppose a website called www. This header can be included in PUT Object and POST Object requests in order to set an object to a storage class besides the default storage class of the associated bucket. Common Response HTTP Headers. Here is the list of all the headers your browser sent when requesting this page. Configure Apache reverse proxy on CentOS Linux In this tutorial, we will learn how to configure a reverse proxy with HTTPS in Apache on CentOS Linux. Watch Queue Queue. I have followed your tricks to do client certificate authentications behind a reverse proxy and it doesn't work for me. Failure or "failing" screen when drive, and copy my existing set one up. Templates are written in the FreeMarker Template Language (FTL), which is a simple, specialized language (not a full-blown programming language like PHP). This can be one of the following values: set The response header is set, replacing any previous header with this name. Most commonly, this would be due to Apache HTTP server security patches or functionality upgrades. To configure an Apache HTTP server as a reverse proxy, forwarding requests for a given set of URLs to another server. c and mod_headers. You need to access your terminal. Using Apache 2 configuration to add Content-disposition header Apache 2 web server has a header manipulation module (mod_headers) that allows adding required headers to HTTP response. I have followed your tricks to do client certificate authentications behind a reverse proxy and it doesn't work for me. As far as I know, it's the only way to get the headers "If-Modified-Since" and "If-None-Match" when apache_request_headers() isn't available. good afternoon all I have been recently been "relocated" within our IT dept and now tasked with supporting Apache Tomcat on windows Our cyber dept scanner has identified my. htaccess and httpd. Header set Set-Cookie: "mobile; path=/; domain=example. Returns Location of the element in the array. If the delegation parameter is not set, the user is authenticated by Kerberos SPNEGO. Simply put, they are invisible plain text files where one can store server directives. The applicable sections are shown below #. Not only does it send this header back to the browser, but it also returns a REDIRECT (302) status code to the browser unless the 201 or a 3xx status code has already been set. The process is the same for all web servers. htaccess directives apply only to the folder in which the. ExpiresDefault "access plus 2 months" This sets the expiry date of the file 2 months into the future from the current time. If you need to separate timeout preferences according to HTTP method, you can use one more like that specified directly above. In this article, we will show you yet another useful Apache security tip that shows how to change HTTP web server name to anything else in server header. Implementing Content Security Policy in Apache 25th October, 2016 by yasminelsaie Along with SQL injection attacks, cross-site scripting (XSS) attacks are some of the more common to be used when attacking a website. As of the first GA release of the 2. So please add must-revalidate to your Cache-Control header for your. Upgrading or downgrading to a different version of PHP can leave residual options in the httpd. In many situations Apache must construct a self-referential URL -- that is, a URL that refers back to the same server. conf): Header always append X-Frame-Options SAMEORIGIN This works, but we have certain URIs/domains we need to allow iframes includes from. c in apache (when I do httpd -l, I can see mod_expires. You often need to access the response headers to determine the success of your client request to a web service. We recommend using the DigiCert Utility and the IIS 7 GUI to set up the host headers and site bindings. 503 Service Unavailable. This can be one of the following values: set The response header is set, replacing any previous header with this name. devuxmachine. Once set, these HTTP response headers can restrict modern browsers from running into easily preventable vulnerabilities. Due to this, I keep getting a ' Object reference not set to an instance of an object. conf file as. Make sure to bookmark it. The normal mode is late, when Request Headers are set immediately before running the content generator and Response Headers just as the response is sent down the wire. Set Expire Headers In htaccess A way that Browsers try to help speed up rendering the page is by taking static data and cache it. Apache Content-Security-Policy (CSP) header in. With UseCanonicalName On Apache will use the hostname and port specified in the ServerName directive to construct the canonical name for the server. htaccess - Content Security Protocol - cspheader. The comments will be printed first, before the headers. This issue has been around since at least 1990 but has proven either difficult to detect, difficult to resolve or prone to being overlooked entirely. Lines 1 and 2 leave room for technical header lines, e. 4 modem user downloads your 40k page. htaccess file via FTP. Main downside is that it's not easy to remove this header in Apache and that the default setting is not the minimal as it should be! Summary. 0 provides support for rules-based rewriting of the response HTTP headers. Using Apache 2 configuration to add Content-disposition header Apache 2 web server has a header manipulation module (mod_headers) that allows adding required headers to HTTP response. This allows one to set up a default set of headers, and apply adjustments to the particular sampler. Boolean or a java.