test open ports

Tags: led view BSP dir col Open Description Server playOpen VNC features and ports in VMWare ESXi for remote Management complete ChapterIn a number of forums to read the relevant articles, the total write is not complete. We will write the full version of all the resources. Detailed text is as follows!Step 1. Modifying the firewall configuration of an ESXi hostIn the/etc/vmware/firewall directory of the ESX

ObjectiveThe topic said a bit long, in fact, is the following several things, the first is that the shell command can be executed within the program, and then pass the execution results to the variable, so that the subsequent transaction processing, the second is to use the Nmap command to get all the online IP and open ports in the current LAN, Finally, the results of nmap are processed to obtain only the

Before I was busy setting up the environment, I didn't have time to write it, now fill it up.On Linux, when we use the one-click installation package to build the environment, the firewall automatically releases. For example, sometimes it is convenient to use tools to remotely connect to Redis for the time being.Obviously the environment has been set up, the corresponding changes in the configuration is not even, at this time, we should see if our firewall released noView status: Iptables-l-NOpe

View Status:Iptables-l-NAdd the following methods for opening a specific port:Use Iptables to open the following ports/sbin/iptables-i input-p TCP--dport 8000-j ACCEPTSave/etc/rc.d/init.d/iptables SaveRestart ServiceService Iptables RestartSee if the port you want to open takes effect?/etc/init.d/iptables statusAct 2:or edit/etc/sysconfig/iptables directly-A inpu

Currently using minicom as the serial port software. But the use of the process, there is a little feeling inconvenient place, is that I need to use multiple serial port, when the use of not the serial 0 o'clock, it is necessary to manually modify the configuration of the minicom.So consider implementing scripts, automatically list the current serial port, choose to call minicom open the designated serial port, eliminate the trouble of manual modifica

The vcenter server requires port 80 for direct HTTP connections. Port 80 redirects the request to HTTPS port 443. This port is useful if you accidentally use http://server instead of https://server. 389 This port must be open on both local and all remote instances of Vcenter server. This is the LDAP port number of the directory service for the Vcenter server group. The vcenter server system needs to bind port 389, even if this vcenter server instance

After work yesterday, the computer installs the Phpstorm. XAMPP installation is normal, but on the Phpstorm directly open the website file has been error, has been error 502. I feel curious quickly, how can the error. After I opened the file with Hbuild, the browser appears normal. I noticed: In Phpstorm, the open in browser path was always wrong. Always be http://localhost:63342/htdocs/index.php, and the c

-- dport 1723-d $ internet_addr-j dnat -- to-destination 192.168.100.2: 1723 Iptables-T Nat-A prerouting-p udp -- dport 1723-d $ internet_addr-j dnat -- to-destination 192.168.100.2: 1723 Iptables-T Nat-A prerouting-p udp -- dport 500-d $ internet_addr-j dnat -- to-destination 192.168.100.2: 500 Iptables-T Nat-A prerouting-p udp -- dport 4500-d $ internet_addr-j dnat -- to-destination 192.168.100.2: 4500 Nat of the FTP serverIptables-I pfwanpriv-P TCP -- dport 21-D 192.168.100.200-J acceptIptab

Is there a method for batch inspection? Some. We use NC to quickly detect the openness of the port.The use of the NC detection portNc-z-W 10-u%ip%%PORT%-Z indicates detection or scanning of ports-W indicates time-out-U means that the UDP protocol is used, and this parameter is NULL for the TCP protocolFor example:[@s136. ipcpu.com ~]# nc-z-W 10-u 8.8.8.8 53Connection to 8.8.8.8, Port [Udp/domain] succeeded! [@s136. ipcpu.com ~]# nc-z-W 8.8.8.8 53Conne

When we use the new server to set up a new host, often encounter the site can not access the situation, when asked about customer service, often told that the operating system does not open the default 80 port, please first determine whether 80 is open and determined not to be occupied. So, how do we open port 80?Method/Step 1Click: Start-Control Panel 2S

Linux open ports In Linux, the server cannot be connected when software access is installed. In this case, check whether the corresponding port is enabled. For example, after svn is installed, unable to connect: When the svn service is started, you Can use commands on the server to check out the files, but the files cannot be checked out on other computers. The following prompt is displayed: "svn: Can't con

Now many projects are using the cloud server, a recent project using the Wayun server, that is, Unicom's cloud server, toss a long time to find the clue, today's experience to share with you how the Wayun server development port.Tools/Materials Server Computer Method/Step1, first in the portal login your account password, into the background management interface,.2, click on the left side of the menu security group, enter the security group settings interface, in which will sho

A lot of Linux distributions, the default Iptables service started only the most basic port, such as 22 port, but the other is forbidden State, because when you need to use a certain software or services will find its port is not working, you telnet not up!This time you can pass Netstat-an | grep port number to verify that the next is not already open a service if not to start it, Redhat series is generally: Service xxx start or/etc/init.d/xxx start i

The process of configuring the database found a problem with Windows connecting to the Linux database server, checking to see that Linux is not yet open 1521 portConfiguration, very easyReferenced by: http://www.cnblogs.com/kerrycode/archive/2012/12/14/2818421.html1. Someone directly service iptables stop, that is, shutting down the firewall, this is basically not feasible, because it is too insecure2. Release the 1521 port/sbin/iptables-i input-p TCP

Installation method: Yum install-y lsofSpecific parameters:Lsof Abc.txt shows the process of opening the file Abc.txtLsof-i: 22 Know what program 22 port is running nowLsof-c NSD Show NSD process now open fileLsof-g GID shows the process of attribution to GIDLsof +d/usr/local/displays files that were opened by the process in the directoryLsof +d/usr/local/, but will search the directory under the directory, the time is longerThis article from "Senlinu

=" 2.png "alt=" wkiol1xjyzoindjnaajkz5bia6e889.jpg "/> Select "Allow connection" and click "Next". 650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/71/44/wKiom1XJx6Si7HCTAAJsEYLJK1U157.jpg "title=" 3.png "alt=" wkiom1xjx6si7hctaajseyljk1u157.jpg "/> Press the default check "domain" "private" "Public" and click "Next". 650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/71/44/wKiom1XJx8bhxVElAAJFgfGTdfI008.jpg "title=" 4.png " alt= "Wkiom1xjx8bhxvelaajfgfgtdfi008.jpg"/

Reproduced from: https://www.cnblogs.com/jtestroad/p/8031850.html Important things to say three times, strongly recommend the use of the second method! second!; Ways to open ports: Method One: Command line mode1. Open port command:/sbin/iptables-i input-p TCP--dport 8080-j ACCEPT2. Saving:/etc/rc.d/init.d/iptables Save3. Restart Service:/etc/init.d/iptables resta

Open ports of Linux Firewall I. Linux firewall configuration files and commands 1. RedHat Linux System This type of system contains various derivatives and related versions of red hat, including RHEL, CentOS, and Fedrora. Firewall Configuration File:/etc/sysconfig/iptables-config Service Operation Command: etc/init. d/iptables service iptables {start | stop} Temporary change command: iptables-save ipt

Redis is only locally accessed by default after Ubuntu installation and requires additional IP access we need to modify the Redis configuration file1. Dpkg-l Redis-serverThis command we can see the Redis installed files in those directories2. We then modify the configuration filesudo vim/etc/redis/redis.confThis is what I changed, by default it's 127.0.0.1.Here I change is 0.0.0.0 that is the arbitrary IP can be accessed, of course, can also configure multiple IP access, multiple IPs separated b

#!/bin/bash#author liuyueming#date 2017-07-29# Timing detection Confederate receipt and prepaid card system pos_num= ' Nmap remote IP address-p port number |sed-n "6p" |grep open|wc-l ' YFK _num= ' nmap remote IP address-p port number |sed-n "6p" |grep open|wc-l ' if [$pos _num-lt 1]then echo "Receipt system port failure, please process" |mail-s "system mail, do not reply" [em Ail protected]fiif [$yfk _num-