HTTP header fields are components of the message header of requests and responses in the Hypertext Transfer Protocol (HTTP). They define the operating parameters of an HTTP transaction.

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23 views

Nginx: accept either basic auth or specific access token header

Is there a way with Nginx to restrict access to a location to either requests with valid basic authentication, or requests that feature a given header. Something like location /api { ...
1
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1answer
24 views

How to avoid duplication of add_header directives in nginx?

The documentation says this: These directives are inherited from the previous level if and only if there are no add_header directives defined on the current level. My problem is that I have ...
0
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0answers
35 views

Nginx: How to access my reverse proxied sites via separate subdirectories

I have 2 web applications that I want available under http://example.com/demo1 and http://example.com/demo2. My config below correctly reverse proxies to each site, and the site is mostly functional, ...
0
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1answer
1k views

Cache Control Headers with IIS 7.5

I'm trying to wrap my head around client side (web browser) caching and how it works in relation to IIS 7.5 cache control headers. In particular: If we want to force clients to reload cached ...
9
votes
11answers
886 views

.htaccess doesn't redirect to www-prefixed page properly

I'm trying to redirect an url without www. to www.version (example.com to www.example.com). I use the usual RewriteCond %{HTTP_HOST} ^example\.com [nc] RewriteRule (.*) http://www.example.com/$1 ...
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1answer
31 views

Mikrotik: Add HTTP Header Parameter to Requests [duplicate]

I want to add a parameter of MikroTik to all HTTP header requests using MikroTik. So all client and servers that connected to the MikroTik can trace the parameter in their HTTP header. How can I ...
4
votes
2answers
3k views

Nginix proxy caching - how to check if it is working?

I have set up my nginx.conf file to use proxy caching from tutorials I have found online. However, I am trying to figure out how to check if it is actually working. I've read somewhere that adding ...
1
vote
1answer
54 views

What is the meaning of an IIS http status code 404.503?

Microsoft lists the IIS http status codes including the substatus codes here. In the 404 section there are substatus codes between 0 and 20, but in my logs I get a 503 as sc-substatus I can't find ...
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0answers
40 views

HAProxy: Limmit concurrent connections based on HTTP header field

I try to limit the number of concurrent connections using HAProxy stick-tables based on HTTP header fields. I could find plenty of examples using IP addresses, but this doesn't work in my case. Our ...
1
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0answers
28 views

Script to verify/monitior HTTP caching headers [closed]

We'd like to verify that all our websites use the correct HTTP caching headers. Is there a script out there to make a request to a website, check its response headers and report whether it will be ...
2
votes
2answers
105 views

Redirect depending on preferred language (Accept-Language) with .htaccess

When users request /, I want to redirect them to /en or /de, depending on their preference specified in the HTTP request header Accept-Language. I guess this is easy with server-side scripting, but I ...
0
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1answer
59 views

HEAD requests from Linux/Ubuntu boxes

I don't know if this falls under server fault. We have HEAD requests disabled on our server. But we see thousands of HEAD requests, always with the same user agent. 'X11; Linux x86_64 chrome. It ...
1
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0answers
51 views

Partial content 206 requests on nginx behind WebAuth

I'm having a troubleshooting an issue that I think is likely due to WebAuth authentication when serving .webm videos. The server I have is nginx 1.6.2. I can make 200 GET requests just fine. I also ...
1
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0answers
181 views

Haproxy: reject traffic by user agent from file

I am trying to reject connections from specific user agents (by matching a substring of the user-agent header) using an haproxy ACL with -f option to read from a file. However it is not working, it ...
0
votes
1answer
99 views

Apache not return allow header in OPTIONS method

I try to get allow header form apache server. I sended request with curl. The server return headers but not "header allow" header: $ curl -v -X OPTIONS 10.0.0.1 * Rebuilt URL to: 10.0.0.1/ * Hostname ...
0
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1answer
62 views

Configure Server to Initiate Http Keep-Alive

I have a set of clients that aren't including an http keep-alive header in their requests to my server. If I use something like Varnish to filter the incoming requests and add the keep-alive header ...
0
votes
1answer
115 views

NGiNX Custom Cache param based on regex match

My question(s) are as follows: How do I set custom variables based on regexp against a useragent? How do I set custom headers for the reverse-proxy request? How do I use these values as caching ...
0
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0answers
36 views

Enable charset header in nginx 301

I have nginx redirecting http requests to https. Currently the header in the redirect is Content-Type: text/html. I want it to be Content-Type: text/html;charset=utf-8. Here it says I need a custom ...
34
votes
5answers
40k views

How to remove IIS/ASP.NET Response Headers

I have a couple IIS/6.0 servers that security is asking me to remove a couple of response headers that are sent to client browsers on requests. They are concerned about divulging platform information ...
2
votes
2answers
633 views

Why is SPDY breaking 'Vary: Accept-Encoding' in Nginx 1.4.3?

I've compiled Nginx 1.4.3 from source with the SPDY module. However when SPDY is enabled, it seems to break my 'Vary: Accept-Encoding' header. My Nginx Configuration: ./configure ...
1
vote
2answers
181 views

Is it possible to set SSL/TLS version HTTP header with Apache which an backend application can use?

There is one service on a virtual machine with a dedicated IP that required to be accessible via SSLv3 (WinXP with IE6 clients). I moved that service several several years ago to a that virtual ...
0
votes
0answers
69 views

Set Headers for JSON in Apache proxy

Hello I try set header JSON in Apache proxy. I need this for test login in website. Below I put my apache config. <VirtualHost *:80> ServerName zx.xxxxxxx.xxxxxx.fr ServerAdmin ...
0
votes
0answers
27 views

Setting an Apache header's value based on a mapping?

Suppose I have an environment variable REMOTE_ROLES having a comma-separated list of value(s), e.g., "A, B, C". I want to set an HTTP request header X-Remote-Roles to a comma-separated list of those ...
0
votes
1answer
227 views

With nginx serve a custom 404 page with header 404, without changing the browseraddress

How do I force nginx to serve a custom 404 page while responding with a 404 header, without changing the address of the browser so the user can easily retype? I tried this at my testsite (added after ...
0
votes
2answers
115 views

Nginx silently dropping header lines that exceed 1128 bytes

I have Nginx set up as a reverse proxy to a uWSGI application (a Django app). Due to the nature of the content that the Django app is hosting, sometimes the URLs get long. Really long. Because of ...
0
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2answers
2k views

NGINX is not forwarding a header value when using proxy_pass

I have the following setup and configured to send all /api requests to a different server: location /api { proxy_pass https://myapp.herokuapp.com; rewrite ...
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votes
1answer
64 views

Does Nginx respect maxage from upstream server?

I see the proxy_cache_valid directive, but that confuses me. In HTTP, doesn't the upstream server specify this with Cache-Control and maxage? How do I get Nginx's cache to use maxage ?
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votes
1answer
98 views

Debug Nginx caching

I want to determine when I am getting cache hits or misses. Preferably, this would be a header, like X-Cache: HIT or X-Cache: MISS How can I do this with Nginx (a reverse proxy for the upstream ...
2
votes
2answers
275 views

Apache HSTS exception for some virtual hosts

In the global config section for Apache 2.2.15, I have the following (per recommendation) <IfModule mod_headers.c> Header add Strict-Transport-Security "max-age=15768000;includeSubDomains" ...
2
votes
2answers
4k views

IIS 7.5 Server response headers (UrlScan does not work)

In the past you could use UrlScan by Microsoft to modify the headers and remove the one's displaying IIS version for example. This does not work for IIS 7.5 and IIS 7.0 is the latest version ...
-1
votes
1answer
56 views

Serve static files from directory depending on http referrer inside of nginx [closed]

My server hosts images, but the content of images have to be different for the same link and have to deepens on http referrer. For example: Website 1 load image website1.jpg from ...
2
votes
3answers
8k views

Human readable format for http headers with tcpdump

I would like to view the HTTP headers sent from Apache (listening on port 80) to Tomcat (on port 4080) in a Linux machine. According to Wikipedia, Header fields are colon-separated name-value ...
0
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0answers
44 views

Apache configuration redirect using only redirect, not rewrite

PS: this is the 2nd part of the question originally posted here. I'd like to disable the HSTS header completely for specific virtual hosts. I have (per recommendation) a redirect in the 443 container ...
0
votes
1answer
55 views

how to find out if mod_xsendfile is handling the transfer?

I just installed and configured mod_xsendfile on my apache2.2.15 web server (on centos6.5). Everything seems to be working fine except that I'm not sure it is. I added XSendFile On and XSendFilePath ...
0
votes
1answer
472 views

Nginx/Apache: set HSTS only if X-Forwarded-Proto is https

I got the following setup: Internet => nginx[public:80 +443, SSL termination) => Varnish[localhost:81] => Apache[localhost:82] Now some sites should only be reachable via HTTPS and a valid ...
1
vote
1answer
87 views

Conditionally serving high resolution and WebP images with nginx

Not sure if I'm trying to pull off the impossible, but I'm wanting to configure Nginx to serve ".webp" files to browsers that support the file format and serve fallback files (i.e. pngs, jpgs, etc.) ...
2
votes
2answers
1k views

The Content-Length header does not exist

I have nginx server installed on Linux. When I send a request with curl, the Content-Length header is missing from the response. The 1.php file is: <?php echo "hello"; ?> The example ...
4
votes
1answer
1k views

mod_headers not sending headers when file is PHP

I've got my .htaccess file set to the following: Header set MyHeader "I'm Set!" If I go to that directory (http://example.com/test/), which has no default index file, and view the network activity ...
0
votes
1answer
19 views

Is it possible to path protect by header values in apache?

Is there a mod / way to get this pseudo code working in apache? <Location /somepath/> if not value of request header 'x-token' is 'secret' deny </Location>
0
votes
0answers
149 views

handling CORS preflight request in Apache

I have a AngularJS app deployed using Yeoman. Cakephp RESTful backend. The Angular app sends in OPTIONS preflight requests, which the backend responds with forbidden (403), in nginx to solve this ...
0
votes
0answers
103 views

Override PHP Cache-Control Header from Apache config?

PHP is setting the Cache-Control header in multiple places. I don't want to break my code upgrade path, but I'd like to change the Cache-Control header in Apache config instead. However, it looks like ...
1
vote
3answers
6k views

why i cannot download jdk from oracle web site directly without AuthParam?

that is download with the following command, why it fails to download that file? wget http://download.oracle.com/otn-pub/java/jdk/6u35-b10/jdk-6u35-linux-i586.bin the following command works, but ...
0
votes
1answer
39 views

Measuring HTTP traffic basic on URIs and custom headers

I'm currently working on an API service and one of the requirements is that we measure the amount of data used by each user of the system, and track how many times they use the API. So bandwidth usage ...
1
vote
1answer
130 views

Under what scenarios would Apache allow a mismatched HTTP_HOST to pass through?

Someone has managed to pass an undefined HTTP_HOST server variable to my application script, triggering a series of errors. I am quite perturbed but am unable to replicate this behaviour. My httpd ...
0
votes
1answer
611 views

mod_expires doesn't set expiry for images (png,jpeg,gif)

I am using this below configuration in my apache2.conf <IfModule mod_expires.c> ExpiresActive On ExpiresByType image/gif "access plus 6 month" ExpiresByType image/jpg "access plus 6 ...
0
votes
1answer
487 views

Update Cache-Control max-age when srcache returns response from cache

I have configured Nginx to use srcache (along with the redis and redis2 modules). Server-side caching works great. My application responds with the appropriate Expires and Cache-Control headers, and ...
0
votes
2answers
2k views

how do I setup Apache's Content-Encoding Header?

When attempting to validate my site with the W3C validator, it returns the error, "Don't know how to decode Content-Encoding 'none'". Firebug confirms that my server is sending the header, ...
1
vote
1answer
94 views

What is expected behaviour from Server returning Http 416

I have a server and sometimes when client ask for a file and if its request header Range may get over the length of file, so the server returns 416 status code. But I'm wondering should it write file ...
0
votes
1answer
319 views

Inconsistent behavior with Nginx's auth_request_set and more_set_input_headers

I'm trying to use the auth_request module in conjunction with the more_set_input_headers to automatically login my users into web apps. Basically, it works like this: Users have some session cookie ...
0
votes
2answers
307 views

nginx - Change error_page based on proxy_pass response

Is it possible to change the fallback error_page based on the response of the upstream proxy? upstream serverA { server servera.com; } upstream serverB { server serverb.com; } location / { ...