Turn off the SELinux feature1. First check the status of the SELinux , command:getenforce[Email protected] ~]# Getenforce Disabled2. view selinux config file, command: cat/etc/selinux/config #thisfilecontrolsthestateof Selinuxonthesystem.#selinux=cantakeoneofthesethree values:#enforcing-selinuxsecuritypolicyis enforced.#permissive-SELinuxprintswarnings Insteadofenforcing.#disabled-noselinuxpolicy isl
Tags: occupy cal conf PNG processing record Tom IMA documentTomcat generates Localhost_access_log under {tomcat_home}/logs/per request, day after day, so many of these files are generated on the server, even though a single file is small, A certain amount of disk space is also occupied after that. Viewed the documents on the Tomcat official web site and found that these logs were generated for some third-party analysis tools, primarily to record what
In the traditional sense, proxy server is the server between the user computer network and the Internet, its function is to proxy network users to obtain network information, it can be understood as a transit point for network information. If the Web browser is configured to use a
configuration(1) Software Installation Web server: Install NT4.0, DNS, and IIS in turn.
Proxy Server: Install NT4.0, Service Pack3 for NT4.0, RAS, then run MSP.exe install Microsoft Proxy Server2.0 and generate a shared directory mspclnt.
Mail and newsgroup servers: Insta
on the Open Ban list option (Enable ban list options). Click Add to limit specific sites, click This criterion is met if, select the HTTP URL, in the middle of the input box, select "Include" (Contains from the list). Type "Sex" in the final input box, adding additional content to add to the banned list to save the settings.
Step Two: Apply the strategy
Double-click the SOCKS Proxy service, select the Socks Advanced (Advanced) tab, and in the HTTP
, the request will be passed from the upstream server without buffering to disk proxy_ignore_client_abort on;
#不允许代理端主动关闭连接 server {Listen 80;
server_name localhost; Location/{root HTML;
Index index.html index.htm;
} error_page 502 503 504/50x.html;
Location =/50x.html {root html;
}
}
}
To edit a reverse proxy
ah, small part of the original thought of a variety of ways to surf the internet ah, such as no teacher when their own IP and Mac into the server's IP and Mac, but the teacher has to change back to the heart, which tangle Ah, so small series I have been in the search for solutions Ah, Finally found a solution from the Internet, that is the proxy Internet, the original server installed or desktop version of
Nginx Reverse Proxy Server Load balancer page cache URL rewriting and read/write splitting
Outline
I. Preface
II. Environment preparation
3. install and configure Nginx
Iv. reverse proxy for Nginx
5. Load Balancing for Nginx
Vi. Nginx page Cache
VII. Rewrite Nginx URLs
VIII. Nginx read/write splitting
Note that the operating system is CentOS 6.4 x86_64,
One, reverse proxy: Web server's "broker"
1.1 Reverse Proxy First Impressions
A reverse proxy (Reverse proxy) means to accept a connection request on the Internet with a
proxy server , and then
forward the reque
But one day early came to find that all computers were unable to surf the internet. PING Isa doesn't make sense. Normal after reboot. I checked the system log for 3.about the Web proxy log:1. The WinHTTP Web Proxy auto-discovery Service has been idle for minutes, it is shut down.2. The WinHTTP Web Proxy auto-discovery Service suspended operation.3. The WinHTTP We
. conf file with ee, so that the system will automatically load PF after it is started.
Nat # Ee/etc/rc. conf
The following content is related to the author's RC. conf. Please judge the trade-off based on your own needs (3 ).
# First, set the server host name
Hostname = "nat.scetc.net"
# Then set the default gateway for the server
Defaultrouter = "218.6.165.1"
#
a test database and table
Mysql> create database proxydb; // create the same database and table
Mysql> create table proxydb. proxytab (id int );
Mysql> insert into proxydb. proxytab values (3); // to test and distinguish two different database servers, insert different data first
III. MySQL proxy server configuration
1. test whether an authorized user can log on to two database servers on the
connect B to C, so you can connect B to C first and then B to C. In this way, we can also understand how the vro blocks our access. For example, the vro disables the connection of C but does not prohibit the connection of B, so we can access C through B!
Iii. What types of proxy servers are available?
GenerallyHttp,Ftp,Socks,TelnetProxy server type,Http,FtpAndTelnetThe
Start with the local Apache configuration example:The main configuration file varies from person to person. If you need to rewrite it, do not forget to enable it:LoadModule rewrite_module modules/mod_rewrite.soIt is not recommended that the content be written in the main directory. Use a sub-file to introduce it:# Virtual hostsInclude etc/extra/httpd-vhosts.conf# Various default settingsInclude etc/extra/httpd-default.confThe default logging configuration is used. If the time-out period is for t
passing files.
Proxy_temp_path/dev/shm/proxy_temp; \\similar to the client_body_temp_path command in the http core module, specify a directory to buffer large proxy requests.
Upstream rsyslog.org _ pool {
Server 192.168.100.104: 80 weight = 4max_fails = 2fail_timeout = 30 s; // The default performance of both servers is the same for testing, with the average load
, Squid settings are of course the top priority. The following describes Squid settings based on different implementation functions:
1. configure a third-party authentication program for Squid
1 # enable squid-2.5-ntlmssp as a secondary protocol for ntlm Authentication Mode
2 auth_param ntlm program/usr/bin/ntlm_auth -- helper-protocol = squid-2.5-ntlmssp
3 auth_param ntlm children 5
4 auth_param ntlm keep_alive on
5
6 # Enable squid-2.5-basic as the auxiliary protocol for basic Authentic
Configuration
Since it is a proxy server, Squid settings are of course the top priority. The following describes Squid settings based on different implementation functions:
1. configure a third-party authentication program for Squid
1 # enable squid-2.5-ntlmssp as a secondary protocol for ntlm authentication mode
2auth_param ntlm program/usr/bin/ntlm_auth -- helper-protocol = squid-2.5-ntlmssp
3auth_param
-uproxyuser-p123456//Login Slave serverMysql> select * from Proxydb.proxytab;+------+| ID |+------+| 3 |+------+1 row in Set (0.00 sec)2. Release 3306 ports# Service Mysqld Stop# chkconfig Mysqld off# NETSTAT-TULNP | grep:33063. Install the package that provides the proxy server# tar ZXVF mysql-proxy-0.8.3-linux-rhel5-
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