Skip to main content

Internet Protocol Security Vpn (IPSEC VPN)

 


IPSEC VPN CONFIGURATION DETAILS VARY DEPENDING ON THE ROUTER OR DEVICE YOU ARE USING. HOWEVER, THE GENERAL STEPS INVOLVED IN CONFIGURING AN IPSEC VPN ARE AS FOLLOWS:

CREATE AN IPSEC POLICY.

THIS POLICY DEFINES THE ENCRYPTION AND AUTHENTICATION ALGORITHMS THAT WILL BE USED TO PROTECT THE TRAFFIC THAT FLOWS THROUGH THE VPN TUNNEL.

CREATE AN IPSEC TRANSFORM SET.

THIS TRANSFORM SET SPECIFIES THE SPECIFIC ENCRYPTION AND AUTHENTICATION ALGORITHMS THAT WILL BE USED FOR A PARTICULAR TRAFFIC FLOW.

CREATE A CRYPTO MAP.

THIS CRYPTO MAP ASSOCIATES AN IPSEC POLICY AND TRANSFORM SET WITH A SPECIFIC INTERFACE.

APPLY THE CRYPTO MAP TO THE INTERFACE.

THIS WILL ENABLE IPSEC ON THE INTERFACE AND ALLOW TRAFFIC TO FLOW THROUGH THE VPN TUNNEL.

HERE ARE SOME ADDITIONAL DETAILS ABOUT EACH OF THESE STEPS:

IPSEC POLICY:

THE IPSEC POLICY DEFINES THE ENCRYPTION AND AUTHENTICATION ALGORITHMS THAT WILL BE USED TO PROTECT THE TRAFFIC THAT FLOWS THROUGH THE VPN TUNNEL. THE FOLLOWING ARE

SOME OF THE MOST COMMON ENCRYPTION ALGORITHMS USED IN IPSEC:

3DES: TRIPLE DATA ENCRYPTION STANDARD.

 THIS IS A SYMMETRIC ENCRYPTION ALGORITHM THAT USES THREE KEYS TO ENCRYPT DATA.

AES: ADVANCED ENCRYPTION STANDARD.

THIS IS A SYMMETRIC ENCRYPTION ALGORITHM THAT IS CONSIDERED TO BE MORE SECURE THAN 3DES.

ESP: ENCAPSULATING SECURITY PAYLOAD.

THIS IS A PROTOCOL THAT IS USED TO ENCRYPT IP PACKETS.

AH: AUTHENTICATION HEADER.

THIS IS A PROTOCOL THAT IS USED TO AUTHENTICATE IP PACKETS.

IPSEC TRANSFORM SET: 

THE IPSEC TRANSFORM SET SPECIFIES THE SPECIFIC ENCRYPTION AND AUTHENTICATION ALGORITHMS THAT WILL BE USED FOR A PARTICULAR TRAFFIC FLOW.

THE FOLLOWING ARE SOME OF THE MOST COMMON TRANSFORM SETS USED IN IPSEC:

ESP-3DES-SHA:

 THIS TRANSFORM SET USES 3DES FOR ENCRYPTION AND SHA FOR AUTHENTICATION.

ESP-AES-SHA:

THIS TRANSFORM SET USES AES FOR ENCRYPTION AND SHA FOR AUTHENTICATION.

ESP-AES-GCM:

THIS TRANSFORM SET USES AES FOR ENCRYPTION AND GCM FOR AUTHENTICATION.

CRYPTO MAP:

 THE CRYPTO MAP ASSOCIATES AN IPSEC POLICY AND TRANSFORM SET WITH A SPECIFIC INTERFACE. THIS ALLOWS TRAFFIC TO FLOW THROUGH THE VPN TUNNEL ONLY IF IT MATCHES THE POLICY AND TRANSFORM SET THAT ARE ASSOCIATED WITH THE INTERFACE.

APPLYING THE CRYPTO MAP TO THE INTERFACE:

THIS WILL ENABLE IPSEC ON THE INTERFACE AND ALLOW TRAFFIC TO FLOW THROUGH THE VPN TUNNEL.

ONCE YOU HAVE CONFIGURED IPSEC ON YOUR ROUTER OR DEVICE, YOU SHOULD TEST THE CONFIGURATION TO MAKE SURE THAT IT IS WORKING PROPERLY. YOU CAN DO THIS BY SENDING TRAFFIC BETWEEN TWO DEVICES THAT ARE CONNECTED TO THE VPN TUNNEL.

___________________

Comments

Post a Comment

Popular posts from this blog

About Me Information

HELLO FRIENDS, I HOPE YOU ALL ARE DOING WELL. I AM MAKING THIS BLOG FOR THE INFORMATION OF NETWORKING ABOUT. IN THIS BLOG WE WILL READ CCNA (200-301) AND ITS RELATED AND NETWORK RELATED INFORMATION. MY NAME IS ABDUL MANAN JAVED MANJ MY AGE IS 21 YEAR    I AM STUDED ABOUT NETWORK  TECHNOLOGY EMAIL ID : mananrajpoot449@gmail.com CONTACT NO : +923486777628 ADDRESS : ISLAMABAD,G7,KHADA MARKET My Website   My Facebook Account My Facebook Page My Linkedin Profile _____________________________ CONTENT ABOUT  HIS BLOGG 1.  Computer Network 2.   What Is Internet 3.   Network Architecture 4.  Osi Refrence Model 5.  Operating System 6.  Internet Protocol (Ip) 7.  Internet Protocol Types 8.   Port Number 9.  Mac-Address 10.    WHAT IS HUB 11.   WHAT IS SWITCH 12.   WHAT IS ROUTER 13.   WHAT IS NETWORK 14.   NETWORK CABLES 15.   ROUTING 16.  Data Transmission 17...
Post a Comment
Read more

CSST COURSE 1.0

Q1. WHAT IS A ADDRESSING. Network addressing is like a two-part delivery system:   Logical Addressing (IP): This is like your permanent address (e.g., 192.168.1.1) that lets data find your device anywhere on the internet. Physical Addressing (MAC): Think of this as a unique ID for your device's network card (AA:BB:CC:DD:EE:FF) used for local delivery within your network. Q2. WHAT IS A PACKET AND FRAME . Packets: Layer: Network Layer (Layer 3) Content: The actual data you want to send, like an email, a video, or website information. Addressing: Contains logical addresses (IP addresses) to identify the sender and receiver on the network. Size: Can vary depending on the data type, but generally larger than frames. Travels across networks: Packets can travel across different networks, like the internet, as they are routed based on IP addresses. Frames: Layer: Data Link Layer (Layer 2) Content: The packet wrapped with additional information for local deliver...
Post a Comment
Read more

DOS AND DDOS ATTACK

A Dos (Denial-Of-Service) Attack and A DDOS (Distributed Denial-Of-Service) Attack Are Both Attempts to Make a Computer System or Network Resource Unavailable to Legitimate Users. However, They Differ in How They Achieve This: Dos Attack: Imagine A Single Person Throwing Rocks at A Castle Gate. A This Person Represents the Attacker, And the Rocks Represent the Malicious Traffic. The Castle Gate Represents the Target System or Network Resource. The Attacker Keeps Throwing Rocks, Trying to Overwhelm the Gate's Defenses and Gain Entry. Dos Attacks Are Typically Launched from A Single System. They Can Be Effective Against Small Systems or Networks, But Larger Systems Can Often Withstand Them. DDos Attack: Imagine An Army Throwing Rocks at A Castle Gate. This Army Represents the Attacker, And the Rocks Represent the Malicious Traffic. The Castle Gate Represents the Target System or Network Resource. The Attackers Coordinate Their Attack, Throwing Rocks from Multiple Directions at Once. ...
Post a Comment
Read more