Всем привет. Арендовал VPS, там ssh слушает нестандартный 5-значный порт. Интернет получаю по вай-фаю и, на сколько я знаю, до выхода в мир у меня как минимум 3 NAT-а, если не больше. Если просто посмотреть на ssh порт сервера, то получается такой ответ:
$nmap -sV x.x.x.x -p xxxxx
Starting Nmap 6.46 ( http://nmap.org ) at 2016-01-28 22:28 EET
Nmap scan report for x.x.x.x
Host is up (0.012s latency).
PORT STATE SERVICE VERSION
xxxxx/tcp filtered unknown
$nmap -sV x.x.x.x -p xxxxx
Starting Nmap 6.46 ( http://nmap.org ) at 2016-01-28 23:29 EET
Nmap scan report for x.x.x.x
Host is up (0.50s latency).
PORT STATE SERVICE VERSION
xxxxx/tcp open ssh OpenSSH 6.0p1 Debian 4+deb7u2 (protocol 2.0)
Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel
Host is up (0.038s latency).
Not shown: 984 filtered ports
PORT STATE SERVICE VERSION
7/tcp closed echo
21/tcp closed ftp
22/tcp open ssh OpenSSH 6.6 (protocol 2.0)
23/tcp closed telnet
53/tcp closed domain
79/tcp closed finger
80/tcp open http Embedthis-Appweb/3.2.3
113/tcp closed ident
179/tcp closed bgp
443/tcp open ssl/https Embedthis-Appweb/3.2.3
513/tcp closed login
646/tcp closed ldp
3221/tcp closed xnm-clear-text
3784/tcp closed bfd-control
5060/tcp closed sip
33899/tcp closed unknown
