After installing Iredmail, the port does not conflict with the port of the Web service due to the need to do port mapping on the router for the external network to access webmail, so the port of the mail server's httpd service needs to be
Requirements: The simulation database hangs, the service is normal but access to the database error, after recovering the database port, the service can access the database normallyStep: First, disconnect the port number 5432, test the operation of
Debug calls to WCF service times are wrong, updating the WCF service will find that the port number is automatically changed, for example the current port number is 54861:Http://localhost:54861/XLTWCFService.svcThe port number becomes the other
Tables: protocols for each layer of the TCP/IP Reference Model
Application Layer
FTP, TELNET, HTTP
SNMP, DNS
Transport Layer
Tcp
Udp
Network interconnection Layer
Ip
Host-Network
DHCP udp67/68DNS udp/tcp53Telnet TCP23HTTP TCP80HTTPS tcp/udp443Samba udp137/138 TCP139 TCP 445FTP TCP20/21SSH TCP22Note:The following ports are commonly used by proxy servers:(1). HTTP protocol Proxy Server common port number: 80/8080/3128/8081/9080
Router tplink882 How to configure a virtual server:
A small business needs to open the mail and Web server to the Internet. Implement this requirement through the virtual server functionality. The user network parameters are as follows:
tl-wr886n v2-v3 Set Virtual Server step One, example list
On the bottom tab of the TL-WR886N router, locate the Ver (that is, the version/version) in the serial number column, which is the hardware version. The following figure.
Check
Router tplink845 How to set up a virtual server:
A small business needs to open the mail and Web server to the Internet. Implement this requirement through the virtual server functionality. The user network parameters are as follows.
Common IP nat command syntax: ip nat {inside | outside} no ip nat {inside | outside} this command is used to set the Intranet and Internet interfaces of NAT. Use the no option to stop the interface from applying NAT. Parameter: inside: indicates
The organization sets up technical service points in different locations in the city. Employees of each service point share the Internet through a Broadband Router and maintain contact with the Organization's network. In order to enable efficient
Cisco router ip nat command ip natip nat inside destination ip nat inside source list ip nat inside source static ip nat outside source list ip nat outside source static ip nat pool ip nat translation ip nat Syntax: ip nat {inside | outside} no ip
The organization sets up technical service points in different locations in the city. Employees of each service point share the Internet through a Broadband Router and maintain contact with the Organization's network. In order to enable efficient
Before you analyze or participate in an open source project, it is necessary to understand the purpose of the project build.Since SEQUOIADB is a NoSQL database product, it inevitably exists in the same functional point of the traditional relational
Tomcat bound Domain Name
At present, many companies' websites use Tomcat as the application service area, but for beginners, how is the port number 8080 removed? How are these websites bound with domain names? How does one Tomcat bind multiple
Life has a comfortable area, excuses to become lazy amulet, learning also has a comfort zone, Escape is the biggest obstacle to prevent progress. After more than half a year of embedded work and learning, I improved a lot, but at the same time I
Transport Layer Overview Transport Layer OverviewTCP protocol Features: connection-oriented, byte-stream, reliable transmissionFor links:1. Both parties that use the TCP protocol must first establish a connection, and both must allocate the
I started a new VPS yesterday, as a personal blog wid Laboratory (widlabs.com) development of the experimental environment. So in this blog, will introduce CentOS 6 under the LNMP HTTP environment, from the use of SSH login VPS, until the domain
[Computer Network] Computer Network interview series 1. OSI (Open System Interconnect): Open System Interconnection, which is a layer-7 Computer Network Model: physical Layer, data link layer, network layer, transmission layer, Session Layer,
Intranet IP only in intranet LAN access connection, outside the network is not aware of the intranet IP can not access. If there are routing permissions, and the route has a fixed public IP, can be routed through the port map, to achieve extranet
Hue is an open-source ApacheHadoopUI system. It was first evolved from ClouderaDesktop and contributed to the open-source community by Cloudera. It is implemented based on the PythonWeb framework Django. By using Hue, we can interact with the Hadoop
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