IPsec VPN Pentesting

IPsec (Internet Protocol Security) is a secure network protocol suite that authenticates and encrypts packets of data to provide secure encrypted communication between two computers over an Internet Protocol network. It is used in VPN (Virtual Private Network). Default ports are 443 (SSL), 500 (IPSec).

Enumeration

nmap --script http-cisco-anyconnect -p 443 <target-ip>
nmap --script ike-version -p 500 <target-ip>