lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10<host> loop txqueuelen 1000 (Local Loopback) RX packets 201 bytes 17137 (17.1 KB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 201 bytes 17137 (17.1 KB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 tun0: flags=4305<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST> mtu 1500 inet 10.8.0.1 netmask 255.255.255.0 destination 10.8.0.1 inet6 fe80::79dc:6c8b:d559:76e1 prefixlen 64 scopeid 0x20<link> unspec 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 txqueuelen 100 (UNSPEC) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 7 bytes 336 (336.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
sysadmin@vpn:~$ telnet localhost 1194 Trying 127.0.0.1... telnet: Unable to connect to remote host: Connection refused
Answer
Attribution
Source : Link , Question Author : Krishna Pillai , Answer Author : Community