Linux server sets squid connection limits
This article focuses on "setting squid connection restrictions on Linux servers". Interested friends may wish to have a look at it. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "setting squid connection restrictions on Linux servers".
Squid connection limit
Squid can effectively restrict connections, specify which users can connect, and specify which websites can be accessed, so that server bandwidth can be effectively utilized.
1. The specified network segment cannot be connected. Edit the configuration file "/ etc/squid/squid.conf" to add restricted ip addresses using ACL language
[root@localhost wj] # gedit / etc/squid/squid.conf
Acl clientdeny src 192.168.0.1-192.168.0.200
Http_access deny clientdeny
[root@localhost wj] # service squid restart
Stop squid:. [OK]
Starting squid:. [OK]
After restarting squid, browsers using this agent will not be able to access any web pages
2. Restrict that a certain ip cannot be used, and use ACL syntax as above
[root@localhost wj] # gedit / etc/squid/squid.conf
Acl clientdeny src 192.168.0.113
Http_access deny clientdeny
[root@localhost wj] # service squid restart
Stop squid:. [OK]
Starting squid:. [OK]
After restarting squid, a computer with IP address "192.168.0.113" will not be able to access the website if it uses this agent
3. Restrict access to some websites
[root@localhost wj] # gedit / etc/squid/squid.conf
Acl domaindeny dstdomain .baidu.com
Http_access deny domaindeny
[root@localhost wj] # service squid restart
Stop squid:. [OK]
Starting squid:. [OK]
After restarting squid, browsers using this proxy will not be able to access Baidu
4, website blacklist, can form a website blacklist through a website list file, these websites will not be visited.
1) create a love file denyurl in the / etc/squid directory, and enter the website to be blocked in this file
[root@localhost wj] # gedit / etc/squid/denyurl
.baidu.com
.hao123.com
[root@localhost wj] # service squid restart
Stop squid:. [OK]
Starting squid:. [OK]
2) modify configuration file "/ etc/squid/squid.conf"
[root@localhost wj] # gedit / etc/squid/squid.conf
Acl denyurl url_regex "/ etc/squid/denyurl" / / Note that this path is the file path defined above.
Http_access deny denyurl
[root@localhost wj] # service squid restart
Stop squid:. [OK]
Starting squid:. [OK]
3) visit Baidu and hao123
5. Limit that you cannot connect within a certain period of time.
[root@localhost wj] # gedit / etc/squid/squid.conf
Acl timedeny time M 10:00-17:00 / M Monday T Tuesday W Wednesday H Thursday F Friday A Saturday S Sunday
Http_access deny clientdeny
[root@localhost wj] # service squid restart
Stop squid:. [OK]
Starting squid:. [OK]
After restarting squid, agents using this computer will no longer be able to access the Internet at 10: 17 on Monday.
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