Questions tagged [apache-2.2]

Version 2.2 of the Apache HTTP Server. When asking questions about virtualhosts, please include the output of the following command: "apache2ctl -S" (or "httpd -S" depending on your OS)

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262
votes
5answers
95k views

Redirect, Change URLs or Redirect HTTP to HTTPS in Apache - Everything You Ever Wanted to Know About Mod_Rewrite Rules but Were Afraid to Ask

This is a Canonical Question about Apache's mod_rewrite. Changing a request URL or redirecting users to a different URL than the one they originally requested is done using mod_rewrite. This includes ...
303
votes
6answers
377k views

What permissions should my website files/folders have on a Linux webserver?

This is a Canonical Question about File Permissions on a Linux web server. I have a Linux web server running Apache2 that hosts several websites. Each website has its own folder in /var/www/. /var/...
109
votes
5answers
70k views

Multiple SSL domains on the same IP address and same port?

This is a Canonical Question about Hosting multiple SSL websites on the same IP. I was under the impression that each SSL Certificate required it's own unique IP Address/Port combination. But the ...
28
votes
5answers
11k views

Why not use a WAMP stack?

This is a canonical question about the use of a *AMPP's stack. I recently had a talk with some experienced people and they suggested to me not to use a WAMP stack, and instead install apache, mysql ...
6
votes
1answer
2k views

Excessive number of sleeping processes in CentOS - howto diagnose? [closed]

I have a a large number of sleeping processes, about 600, the majority of which are Apache processes. Should I kill all these sleeping processes, or will that make Apache fail completely? Why are ...
214
votes
4answers
160k views

What's the best way of handling permissions for Apache 2's user www-data in /var/www?

Has anyone got a nice solution for handling files in /var/www? We're running Name Based Virtual Hosts and the Apache 2 user is www-data. We've got two regular users & root. So when messing with ...
61
votes
3answers
178k views

How does ServerName and ServerAlias work?

It's the following part of a virtual host config that I need further clarification on: <VirtualHost *:80> # Admin email, Server Name (domain name), and any aliases ServerAdmin example@...
259
votes
4answers
141k views

How do I select which Apache MPM to use?

This is a Canonical Question about selecting the right Apache httpd MPM. I'm a little confused between the different MPMs offered by Apache - 'worker', 'event', 'prefork', etc. What are the major ...
10
votes
3answers
18k views

FTP and Apache permission issues

Im having issues as to which user should own my www directory - ftp or apache? When set to the ftp user, the user can add, remoe and easily modify files but php file system actions generate permission ...
4
votes
1answer
120 views

Hosting multiple distinct folders for distinct domains

I have a VPS that I've installed a Apache Web Server on. What I want to do is forward my own website domains to that server and host those websites' files inside my Apache Web Server. As far as I ...
0
votes
1answer
745 views

Apache accepting requests to other servers?

I'm having problems with apache server (CentOS VPS at Amazon). When apache starts, it starts to receive hundreds of requests, this is an example of the log: 173.208.216.165 - - [25/Jan/2015:18:23:11 +...
49
votes
3answers
126k views

How to handle relative urls correctly with a reverse proxy

I have a reverse proxy setup as follows in Apache: Server A with address www.example.com/folder is the reverse proxy server. It maps to: Server B with address test.madeupurl.com This kind of works....
12
votes
1answer
10k views

What is Apache's equivalent of Nginx's try_files?

In Nginx there is try_files, a config directive that "checks for the existence of files in order, and returns the first file that is found". I find it very neat to do this location ~* \.(gif|jpe?g|...
13
votes
3answers
3k views

How do I prevent Apache from answering requests for domains I don't host?

Someone has pointed their domain (www.bomberball.net) to the same IP as my domain (www.kapparate.com) , and Google is now showing the former when searching for Kapparate, rather than the latter. What'...
66
votes
5answers
113k views

How do I redirect subdomains to a different port on the same server?

I have some subdomains I want to redirect to specific ports on the same server. Say I have dev.mydomain.com I want dev.mydomain.com to transparently redirect to mydomain.com:8080 and I want to ...
24
votes
9answers
19k views

Multiple domains with SSL on same IP

I know that a dedicated IP is needed for setting up SSL. What happens if we add SSL for domains sharing an IP ? (Namevirtualhost)
2
votes
2answers
1k views

Stop default SSL response on Shared IP using SNI

Previously I asked a question here: Single domain SSL presented for all domains on Shared IP about setting up secure and non-secure domains on a single IP. Opinions were mixed, but it appears SNI ...
89
votes
8answers
182k views

What limits the maximum number of connections on a Linux server?

What kernel parameter or other settings control the maximum number of TCP sockets that can be open on a Linux server? What are the tradeoffs of allowing more connections? I noticed while load testing ...
67
votes
8answers
94k views

Apache Default/Catch-All Virtual Host?

If I have 3 domains, domain1.com, domain2.com, and domain3.com, is it possible to set up a default virtual host to domains not listed? For example, if I would have: <VirtualHost 192.168.1.2 204....
15
votes
4answers
3k views

Load time impact of htaccess

There are in general two possibilities of handling stuff on Apache: make configurations for folders one by one using htaccess file to fully resign htaccess and put all the rules into the httpd.conf ...
13
votes
3answers
2k views

Apache: Scammers point dozens of domain names at my dedicated IP. How to prevent this?

For the sake of discussion, pretend that I have an Apache webserver which serves a website at www.example.org. This domain name resolves to the public IP address at 192.168.1.100 (pretend this is a ...
1
vote
1answer
347 views

Two domains (when SSL) on same directory

My apache2 configuration is problematic: I've two website on a server: domain1.tdl domain2.tdl One of them (domain2.tdl) must be and is accessible on port 443 (with SSL). All domains must be and are ...
33
votes
2answers
19k views

SSL password on apache2 restart

I setup wildcard SSL certificate from Godaddy on Apache2. Whenever the server restarts it asks for the passphrase for the SSL certificate's private key. What's the best way to remove this obstacle ...
36
votes
3answers
70k views

SElinux: allow httpd to connect to a specific port

My system is running CentOS 6.4 with apache2.2.15. SElinux is enforcing and I'm trying to connect to a local instance of redis through my python/wsgi app. I get Error 13, Permission denied. I could ...
13
votes
4answers
9k views

Is it possible to set an SSLProtocol in Apache for a single VirtualHost (poodle)?

I'm trying to test a patch for the poodle vulnerability that involves disabling SSLv3 on my web server. In order to test this on a non-production environment first, I'm setting the SSLProtocol on a ...
3
votes
1answer
725 views

Two identical files; Apache says one is forbidden

I've got this one file, favicon.ico. It's actually a large group of nested files, but purely for example, just this one. If I do cp favicon.ico favicon2.ico, Apache can read the second one just fine. ...
5
votes
2answers
7k views

Redirecting from http to https in Apache

This is a canonical question about redirecting from http to https in Apache Related: Everything You Ever Wanted to Know About Mod_Rewrite Rules but Were Afraid to Ask I have an ...
23
votes
3answers
9k views

Why are NginX and Lighttpd not affected by Slowloris?

I am investigating the vulnerability to Slowloris and I think I understand how and why this sort of attack works. What I don't understand is why Lighttpd and NginX are not affected (according to the ...
14
votes
3answers
7k views

How to fetch ./configure parameters used at last time?

I am upgrading LAMP stack on customer's server and need to ./configure mysql and apache with exact last settings they were compiled with last time. Where do I get these? PHP configure string can be ...
16
votes
5answers
15k views

mod_security block requests by http-host header

The last few days I noticed some servers being hammered with unknown requests. Most of them are like the following: 60.246.*.* - - [03/Jan/2015:20:59:16 +0200] "GET /announce.php?info_hash=%80%85%8e%...
66
votes
12answers
124k views

Do you have any useful awk and grep scripts for parsing apache logs? [closed]

I can use log analyzers, but often I need to parse recent web logs to see what's happening at the moment. I sometimes do things like to figure out top 10 ips that request a certain file cat foo.log ...
79
votes
6answers
311k views

Proxy Error 502 “Reason: Error reading from remote server” with Apache 2.2.3 (Debian) mod_proxy and Jetty 6.1.18

Apache is receiving requests at port :80 and proxying them to Jetty at port :8080 The proxy server received an invalid response from an upstream server The proxy server could not handle the request ...
36
votes
8answers
45k views

How to reduce memory usage on a Unix webserver

I'm currently using a Joyent Accelerator to host my webapps, and it's working fine, however I need to reduce costs so I'm downgrading my current plan and that imposes some new memory limits (256M rss, ...
61
votes
8answers
151k views

Apache2 config variable is not defined

I installed apache2 on ubuntu 13.10. If I try to restart it using sudo /etc/init.d/apache2 restart I get this message: AH00558: apache2: Could not reliably determine the server's fully qualified ...
51
votes
4answers
101k views

How to redirect root and only root via htaccess?

I want to redirect only my root to another url, but maintain all the /sub/directories where they belong (and redirect) example: mysite.com/1 redirects to somewhere mysite.com/admin opens a page i ...
13
votes
5answers
11k views

How can I replay Apache access logs back at my servers to do real world load testing?

I looked at Tools for load-testing HTTP servers? but I couldn't see how to replay my own existing logs in any of those tools. I have a bug that only occurs under certain load operations which my ...
5
votes
1answer
13k views

How much free memory should I have on my webserver? [duplicate]

I have a webserver that's currently hosting two Wordpress sites and some java-based collaboration software. The server has 2G of memory and is currently using about 1.8G of the available memory. ...
10
votes
2answers
7k views

SSL site not using the correct IP in Apache and Ubuntu

I'm trying to set up an apache-ubuntu-php webserver. My webserver will host multiple SSL sites, each SSL site will have it's own IP address (unless there's a better way to do this). So I suppose the ...
8
votes
3answers
16k views

What are these weird access requests?

I using WAMPServer on my computer for testing and development. I forgot and left it online for a few days and I notice a bunch of random requests that aren't even from my IP. Here are some examples. ...
8
votes
5answers
4k views

How to prevent hot linking (“image theft” / “bandwidth theft”) of ressources on my site?

I'm trying to write the "ultimate" anti hot linking .htaccess... You can find many examples/tutorials/generators on the net but many of them are wrong or incomplete (or even both). These are the ...
6
votes
7answers
13k views

Domain without the 'www.' gives me the Apache 'It works!' page

When I enter in my domain like this www.domain.com everything works fine. But when I enter it like this domain.com I get the 'It works!' page. I'm a complete Apache newb so I'm not exactly sure ...
6
votes
2answers
8k views

Apache answer both HTTP and HTTPS on the same port

I'm trying to get apache to redirect from http to https, however I want them both on the same port (20100, but I doubt that will matter). Basically what's going on here except I'm not doing this for ...
7
votes
3answers
10k views

OpenVPN port-share with Apache/SSL

I'm trying to set up OpenVPN to listen on port 443, and then pass all HTTPS traffic to Apache, by using the port-share option. Relevant config snippets are: OpenVPN local ${PUBLIC_IP} port 443 port-...
1
vote
1answer
301 views

Understand ssl setup

Goals: If the user support SNI and hit myurl1.server.com (https) or myurl2.server.com (https) it will match the right vhost. (the last 2 vhosts) If the user does not support SNI and hit myurl1.server....
60
votes
4answers
216k views

Redirect URL within Apache VirtualHost?

I have a dedicated server with Apache, on which I've set up some VirtualHosts. I've set up one to handle the www domain as well as the non-www domain. My VH .conf file for the www: <VirtualHost *&...
40
votes
4answers
79k views

Setup ubuntu server to send mail()

I tried searching a lot but unable to find how to actually setup a ubuntu server, so that I can send mails through php using mail() function in php. I have apache2, mysql and php5 installed on my ...
62
votes
4answers
117k views

How to get Apache2 to redirect to a subdirectory

I am running apache2 on Debian etch, with multiple virtual hosts. I want to redirect so that http://git.example.com goes to http://git.example.com/git/ Should be really simple, but Google isn't ...
34
votes
2answers
37k views

difference between _default_:* and *:* in VirtualHost Context

I want to know the difference between "default:*" and "*:*" in VirtualHost Context. <VirtualHost _default_:*> #... ServerName host.example.com #... </VirtualHost> <...
24
votes
2answers
41k views

How do I get SELinux to allow Apache and Samba on the same folder?

In the configuration I have setup I wish to allow samba and apache to access /var/www I am able to set a context to allow samba access, but then httpd doesn't have access. Using setenforce to 0 ...
14
votes
5answers
4k views

What is the best way to monitor a production server?

We are running two production servers with Apache 2 and MySQL. I am looking for a reliable way of monitoring our load, stability and uptime. I have come across monit, but are there better ...