TCP/IP ModelVersion en ligne Application and Transport Layers par mr mrrmrr 1 Web Service 2 Remote Access - Secure 3 Remote Access - Insecure 4 Name to IP Mapping 5 Host Configuation 6 File Transfer 7 Internet Time Sync 8 eMail Service 9 Unix File Sharing 10 Secure Web Service http 80 SSH 22 Telnet 23 DNS 53 DHCP 67 & 68 FTP 20 & 21 NTP 123 SMTP 25 NFS 111 & 2049 https 443