server port scanner

Reference: http://www.cnblogs.com/thinksasa/archive/2013/02/26/2934206.htmlhttp://blog.csdn.net/alongken2005/article/details/8056910Socket_accept () is the server accepts client requests, and once a client link comes up, the function returns a new socket resource that is the resource that communicates with the client.socket_accept () is blocked and will remain stuck there.Discovery: Once the client disconnects, it affects the main process on the

Boa is a very small Web server with only about 60 kb of code to be executed. As a single-task web server, BOA can only complete user requests in sequence, rather than fork new processes to process concurrent connection requests. However, BOA supports CGI and can execute a process for the CGI program fork. Boa is designed to speed and security. The following describes how to

in to Site2, the cookie called SessionID is updated, and now it has a value of Session_key2 (the browser store cookies are based on IP instead of the port, so the cookie of the same name is updated). So now with the new Session_key access to Site1 will not get the original login information, we need to re-login. So how to solve, understand the above mechanism, only need to set session_cookie_name in setting. For example, you can set session_cook

# 1, if you open the virtual host, this must have (IP: port), found #NameVirtualHost *:80 modified to: Namevirtualhost 127.0.0.1:80 # 2, modify 　　A standalone server is one that can build multiple websites, an IP address, a port

We are puzzled when we configure a device with multiple network interfaces, eth0, eth1 、...... What exactly is that interface?Today for everyone to introduce a gadget, Ethtool, he can help you solve this problem.The machine I use is Fedora Linux system, open terminal, input ethtool--help display Help information, below I briefly introduce the most commonly used two functions.Function 1 Ethtool devname view device information corresponding to the device nameHere's how to use it:E

01 "The current page server IP address is:"; echo $_server["Server_addr"]; echo ""; echo "Current client IP address is:"; echo $_server["REMOTE_ADDR"]; echo ""; Www.2cto.com echo "Current port is:"; $_server[echo "Server_port"]; Ten?> http://www.bkjia.com/PHPjc/478043.html www.bkjia.com true http://www.bkjia.com/PHPjc/478043.html techarticle 01?php echo the current page

Server{Listen 80;Listen 443 SSL;server_name www.iamle.com;Index index.html index.htm index.php;root/home/wwwroot/www.iamle.com/;#ssl on; Here to comment outSSL_CERTIFICATE/USR/LOCAL/NGINX/CONF/SSL/WWW_IAMLE_COM.CRT;Ssl_certificate_key/usr/local/nginx/conf/ssl/www_iamle_com.key;#以下配置省略 ...}RELATED links:Http://nginx.org/en/docs/http/configuring_https_servers.html#single_http_https_serverHttps://www.iamle.com/archives/1231.html80,443

When I came back from Nanjing on a business trip, I found that I couldn't connect to the vcenter server with VI Client and connected to the vcenter with a remote desktop. It turned out that the vcenter service was not started. I found that the service could not be started manually and reported an error.Check the vcenter server log and find the following sentence:Failed to create http proxy: Resource is alre

Port 25 of telnetpostfix server on other PCs failed! -- Linux Enterprise Application-Linux server application information. For details, refer to the following section. Server Environment: FC5, postfix2.2.8-1.2, ip: 192.168.1.199 After the configuration is complete, telnet 192.168.1.199 25 on the local machine, prompti

Serial Port server interface connecting to Digital China Devices Access Switch:Switches 1, 2, 3, 4, 5, 6, 7, and 8 (orange, orange, green, white, blue, white, green, brown)2, 8, 4, 6, 3, 5, 1, 7 (orange, brown, blue, green, green, white, white, orange, brown and white) connected to the Serial Server Router connection:1, 2, 3, 4, 5, 6, 7, 8 (orange, orange, gree

+: +:42.046772 41995Webserver.cc: the] Document Root:/opt/cloudera/parcels/cdh-5.7.0-1. Cdh5.7.0. P0. $/lib/impalaI0531 +: +:42.046862 41995Webserver.cc:349] Webserver:set_ports_option:cannot bind to0.0.0.0:25010:98(Address alreadyinchUse ) I0531 +: +:42.048094 41995Status.cc: the] Webserver:could not-start on address0.0.0.0:25010 @ 0x79e469(unknown) @0xb031a6(unknown) @0xa7d15e(unknown) @0x76986c(unknown) @0x3d5701ed1d(unknown) @0x769589(unknown) E0531 +: +:42.048121 41995Statesto

Qq servers are divided into three types: 1. UDP 8000 Port Class 18: the fastest speed, the most server.When QQ goes online, it will send UDP data packets to these servers, and select the one with the fastest response speed as the connection server.61.144.238.14561.144.238.14661.144.238.15661.144.238.150202.104.129.20.202.104.129.254202.104.129.252202.104.129.25361.141.194.203202.96.170.166218.18.95.22121

;$ {net_status_file}echo "totalsendandreceiverate:${ Total_rate} ">>${net_status_file}line>>${net_status _file}echo "" >>${net_status_file}echo "number\tsourceaddrport\t\tdestinationaddrport\t\ Tsend\t\treceive ">>${net_status_file}echo" >> ${net_status_file}foriin ' seq120 ' dom=$ (($m +2)) n=$ (($n +2)) net_sou= ' cat${file_path}| sed-n "${m},${N}p "|awk ' nr==1{print$2} ' ' net_des= ' cat ${file_path}|sed-n "${m},${n}p" |awk ' nr==2{print$1} ' rate_sou= ' cat${file_path}|sed-n ' ${m},${n}p

There are many methods to forward user port numbers to tomcat when apache is used as a proxy server. The mod_rewrite and mod_headers modules are required. The following are the steps: www.2cto.com 1. append the reference to the above two modules in the apache configuration file. Different system methods are slightly different. [Python] LoadModule rewrite_module/usr/lib64/apache2-prefork/mod_rewrite.so LoadM

Write this is mainly to prevent forgetting, fast memory.Libevent2 Server HTTP callback inside get client side IP, port, FD, etc., in http_internal.h file, struct evhttp_connection inside, you can directly save the struct evhttp *request inside the HTTP callback, as long as the evhttp_send_reply () client file descriptor is not closed in the callback, and the HTTP callback is not released after the end of th

To enable Oracle clients to connect properly to an Oracle server with a firewall, it is not enough to open a 1521 or custom listening port alone. The server installed Windows2003, and opened the system from the firewall, found in the connection on the firewall opened on the listening port 1521 still unable to connect,

Is that the system service takes up 80 ports, so either end the system service or modify the Apache port.PID4 Service is the world Wide Web Publishing ServiceHere you choose to end this system service, run services.msc, find and then stop.Prevent the next boot again this situation, in the properties can be set to manually start.And then start Apache again to start up normally.Win server resolves Apache 80 port