psn network server status

, and network interface information.Options:A: Displays the status of all sockets.N: Print the actual address, add this parameter speed is relatively good, memory consumption is small.R: Prints the routing table.The listen represents a connection request that listens for TCP ports from afar. In this figure, receive any port from any IP to connect to the 22 port on this machine.Established represents an open

(@ "%@", responseobject); } failure:^ (Afhttprequestoperation *operation, Nserror *error) {// callback after upload failed NSLog (@ " failed "); }];}/*-------------------------------------- Monitor network status -----------------------------------------* /1.AFN monitoring network status 2. Understanding reachabi

Use netstat in Linux to view the network status, port status (to), and linuxnetstat Turn: http://blog.csdn.net/guodongdongnumber1/article/details/11383019 In linux, netstat is generally used to view system port usage.The netstat command is a very useful tool for monitoring TCP/IP networks. It can display the route table, the actual

IOS --------- display and hide the network activity icon of the status bar, ios --------- Status Bar // The Status Bar of the request sent to the server displays the network activity flag: [[UIApplication sharedApplication] setN

When a Web server responds to a request from a browser or other client, its answer generally consists of the following parts: A status row, several replies Header, a blank line, content document. Here is one of the simplest answers: The status line contains the HTTP version, status code, and a brief description of th

0.0.0.0 is the service of each IP, which IP is the binding of the IP service. 2. Netstat-tln Used to view the port usage of Linux 3./etc/init.d/vsftp Start is used to start the FTP port ~! 4. Netstat View the service ports that are already connected (established) 5. Netstat-a View all service ports (listen,established) 6. Sudo netstat-ap View all service ports and display the corresponding service program name 7. Nmap Scan type > For example: Nmap localhost Nmap-p 1024-65535 loca

If you are not loading this module, if you are a Linux server, then you will need to recompile Apache , compile with parameter--enable-module=so, if you are a Windows system. , no need for any compilation, just put the time just said LoadModule Status_module modules/mod_status.so This sentence plus, if the front with a #, open, you need to remove the # 。Http://192.168.99.99/Server-

compatible The printer queue is full There is no space on the server to store files waiting to be printed Deleted files waiting to be printed The specified network name is no longer available Deny network access Wrong network resource type The network name could not be foun

Android Rxjava+retrofit Network exception capture, state code unified processing Preface Recently using Rxjava+retrofit for development, in the project encountered such a requirement, when the networking request to obtain data anomalies, the corresponding message and statuscode need to be obtained and displayed, such as:1. Server connection error: The corresponding return 404,500 and so on;2. No

. The disadvantage is that the name of the process is not displayed.Linux under Grab BagGrab Bag Tool tcpdumpSee which packages are coming in. And the flow of data, length. The default is TCP packets, if you find a lot of UDP packets are likely to attack. Eg DDos UDP flood. Access to professional anti-attack devices or services only.TCPDUMP-NN NIC Name-nn the first n means that the IP is displayed as a number without displaying the hostname.Time source IP and port > Destination IP and port: Pack

of the process (directory)--"for the benefit of other virus intrusion view illegal process." Stat Description:D a process that cannot be interruptedThe process of R run stateS Process in sleep stateT pause, Stop the processZ Zombie Process+ Foreground ProcessN Low-priority processesMemory paging is locked in memoryS master ProcessL Multithreading ProcessView network StatusNetstat (view TCP/IP communication status