-

TCP Sockets

 The connection is made

 


TCP Socket is also called virtual port,are used in tcp and udp communication,hey are called 'virtual ports' because a single physical connector can serve multiple connections. Each side of a socket connection uses its own port number, which does not change during the life of that connection.

IP ADDRESS + Port No = Socket

Comments

Post a Comment

Popular posts from this blog

-
Image
ELK Step by Step Guide  Following is detail of elk ,how we install,start  and run. and prepare report I install elk on Docker with following step: Step1 Check the status of docker:   Step2    I have created "docker" folder on my machine. Step3   I have created three folder in docker folder:   config    data  docker-compose.yml Step4 Then configure these folder with following is the step and data: we can change these configration with our requirement,  First Configure docker-compose.yml  version: "2.0" services:  elk:   image: sebp/elk:latest   ports:     - "5601:5601"     - "9200:9200"     - "5044:5044"     - "9300:9300"   volumes:         - "/home/keenable/docker/data:/tmp/in_data"         - "/home/keenable/...
Read more
-
Image
Postfix installation Step by step I have already posted on Zimbra mail service, now i am going to share  how to install and configure postfix mail server using devocot and squrell mail service, suggest you go into detail study of post fix and other mail server before going to install and use, and different mail protocol i will publish all these on my later edition.Here i  am  going to tell you some future of post fix mail server,and why we choose postfix. What is post fix? Postfix is an open-source Mail Transport Agent ( MTA ), which supports protocols like LDAP, SMTP AUTH (SASL), and TLS. Operating systems: Postfix runs on every Unix and Linux Operating syst em,It is the default MTA of Linux and Ubuntu  operating systems.To install Post fix first we need to uninstall default post fix. Architecture: Postfix consists of a combination of server programs that run in the background, and client pr...
Read more

Docker Private Registery

-
Image
 Docker private registry Why we need pvt registry "Security, minimize internet load, speed, control We need to setup registry in three stage , stage one  simple stage two  secure (with ssl)  stage three with authentication Stage one: Step: create directories, need to create below directories a. Create a directory to store docker image b. create a certificate directory c. Auth directory Step :Run a docker registry container Create a container without volume with below command sudo  docker run -d -p 5000:5000 --name local-registry registry:2 below is screen shot check in browser:  tag the image, command to tag image sudo docker tag centos:7 127.0.0.1:5000/centos:7 Step Push image and check the browser again In ss centos is available, also in container it show as below  Stage two Step:  create a directory with the name of "docker-registry" then create two direcotries inside it  certs  data Step: then generate certificate inside certs direct...
Read more