Category Archive: Checkpoint

Aug 24

Ports and purpose of these ports on Checkpoint firewall

PORT TYPE SERVICE DESCRIPTION 21 TCP ftp File transfer Protocol (control) 21 UDP ftp File transfer Protocol (control) 22 Both ssh SSH remote login 25 Both SMTP Simple Mail transfer Protocol 50 Encryption IP protocols esp – IPSEC Encapsulation Security Payload 51 Encryption IP protocols ah – IPSEC Authentication Header Protocol 53 Both Domain Name …

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