“Mod_bandwidth” (mod bandwidth) is a module for the Apache webserver that enable the setting of server-wide or per connection bandwidth limits, based on the directory, size of files and remote IP/domain.
For Apache 1.3x. ONLY! This how-to is not compatible with old versions of apache, including but not limited to 1.3beta
How to install mod_bandwidth
1. Login to your server via SSH as root.
2. : mkdir /root/mod_bw
3. : cd /root/mod_bw
4. : wget ftp://ftp.cohprog.com/pub/apache/module/1.3.0/mod_bandwidth.c
5. : /usr/local/apache/bin/apxs -c /root/mod_bw/mod_bandwidth.c -o /usr/local/apache/libexec/mod_bandwidth.so
6. : mkdir /usr/local/apache/bw_limit
7. : mkdir /usr/local/apache/bw_limit/link
8. : mkdir /usr/local/apache/bw_limit/master
9. : pico -w /etc/httpd/conf/httpd.conf
10. Locate the following Line: LoadModule rewrite_module libexec/mod_rewrite.so
11. Before the above line add this:
LoadModule bandwidth_module libexec/mod_bandwidth.so
12. Now locate this line: AddModule mod_env.c
13. Before the above line add this:
AddModule mod_bandwidth.c
14. Now locate this line: # Document s.
15. Before the above line add this:
BandWidthDataDir “/usr/local/apache/bw_limit”
BandWidthModule On
16. To enable mod_bandwidth on a virtual host locate the virtual host entry for the specified domain/acount you wish to limit. Just before the line add the following:
BandWidthModule On
BandWidth all 512
The 512 can be replaced with whatever rate you wish to limit the acount too.
17. Save the file and exit.
CTRL-X then Y then enter.
18. : service httpd restart
19. : cd /usr/sbin
20. : wget ftp://ftp.cohprog.com/pub/apache/module/cleanlink.pl
What is cleanlink?
Cleanlink is a deamon that is used to clean links created by mod_bandwidth when they aren’t removed properly by the server. (When a httpd process doesn’t terminate the usual way.)
21. : chmod 755 cleanlink.pl
22. : pico -w cleanlink.pl
23. Change $LINKDIR to the following:
$LINKDIR=”/usr/local/apache/bw_limit/link”;
24. Save the file and exit.
CTRL-X then Y then enter.
25. : perl cleanlink.pl
26. : pico -w /etc/rc.d/rc.local
27. Scroll down to the very end of the file and add the following:
# The following line Launches CleanLink for Mod_Bandwidth
perl /usr/sbin/cleanlink.pl
28. Save the file and exit.
CTRL-X then Y then enter.
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