Aparentemente la red está bien, estos son los puertos que están abiertos:
Código:
/usr/sbin/lsof -i -n | egrep 'COMMAND|TCP|UDP'
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
sshd 801 root 3u IPv4 7588 0t0 TCP *:ssh (LISTEN)
sshd 801 root 4u IPv6 7590 0t0 TCP *:ssh (LISTEN)
ntpd 809 ntp 16u IPv4 7618 0t0 UDP *:ntp
ntpd 809 ntp 17u IPv6 7619 0t0 UDP *:ntp
ntpd 809 ntp 18u IPv6 7623 0t0 UDP [fe80::216:3eff:fe60:b3db]:ntp
ntpd 809 ntp 19u IPv6 7624 0t0 UDP [::1]:ntp
ntpd 809 ntp 20u IPv4 7625 0t0 UDP 127.0.0.1:ntp
ntpd 809 ntp 21u IPv4 7626 0t0 UDP 81.111.11.111:ntp
mysqld 934 mysql 10u IPv4 7754 0t0 TCP *:mysql (LISTEN)
master 1026 root 12u IPv4 7972 0t0 TCP 127.0.0.1:smtp (LISTEN)
master 1026 root 13u IPv6 7974 0t0 TCP [::1]:smtp (LISTEN)
miniserv. 1065 root 6u IPv4 8220 0t0 TCP *:ndmp (LISTEN)
miniserv. 1065 root 7u IPv4 8221 0t0 UDP *:ndmp
sshd 1125 root 3u IPv4 8615 0t0 TCP 81.111.11.111:ssh->55.221.133.099:59452 (ESTABLISHED)
httpd 1273 root 5u IPv6 10925 0t0 TCP *:http (LISTEN)
httpd 1273 root 7u IPv6 10929 0t0 TCP *:https (LISTEN)
httpd 1275 apache 5u IPv6 10925 0t0 TCP *:http (LISTEN)
httpd 1275 apache 7u IPv6 10929 0t0 TCP *:https (LISTEN)
httpd 1276 apache 5u IPv6 10925 0t0 TCP *:http (LISTEN)
httpd 1276 apache 7u IPv6 10929 0t0 TCP *:https (LISTEN)
httpd 1277 apache 5u IPv6 10925 0t0 TCP *:http (LISTEN)
httpd 1277 apache 7u IPv6 10929 0t0 TCP *:https (LISTEN)
httpd 1278 apache 5u IPv6 10925 0t0 TCP *:http (LISTEN)
httpd 1278 apache 7u IPv6 10929 0t0 TCP *:https (LISTEN)
httpd 1279 apache 5u IPv6 10925 0t0 TCP *:http (LISTEN)
httpd 1279 apache 7u IPv6 10929 0t0 TCP *:https (LISTEN)
httpd 1280 apache 5u IPv6 10925 0t0 TCP *:http (LISTEN)
httpd 1280 apache 7u IPv6 10929 0t0 TCP *:https (LISTEN)
httpd 1281 apache 5u IPv6 10925 0t0 TCP *:http (LISTEN)
httpd 1281 apache 7u IPv6 10929 0t0 TCP *:https (LISTEN)
httpd 1282 apache 5u IPv6 10925 0t0 TCP *:http (LISTEN)
httpd 1282 apache 7u IPv6 10929 0t0 TCP *:https (LISTEN)
Código:
nmap -sTU 81.111.11.111
Starting Nmap 5.21 ( http://nmap.org ) at 2012-04-25 07:30 EDT
Nmap scan report for vps1.dominio.es (81.111.11.111)
Host is up (0.00072s latency).
Not shown: 1993 closed ports
PORT STATE SERVICE
22/tcp open ssh
80/tcp open http
443/tcp open https
3306/tcp open mysql
10000/tcp open snet-sensor-mgmt
123/udp open ntp
10000/udp open|filtered unknown
Nmap done: 1 IP address (1 host up) scanned in 1.31 seconds
Código:
netstat -tulp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 *:mysql *:* LISTEN 934/mysqld
tcp 0 0 *:ndmp *:* LISTEN 1065/perl
tcp 0 0 *:ssh *:* LISTEN 801/sshd
tcp 0 0 localhost:smtp *:* LISTEN 1026/master
tcp 0 0 *:http *:* LISTEN 1273/httpd
tcp 0 0 *:ssh *:* LISTEN 801/sshd
tcp 0 0 localhost:smtp *:* LISTEN 1026/master
tcp 0 0 *:https *:* LISTEN 1273/httpd
udp 0 0 *:ndmp *:* 1065/perl
udp 0 0 vps1.lemes.es:ntp *:* 809/ntpd
udp 0 0 localhost:ntp *:* 809/ntpd
udp 0 0 *:ntp *:* 809/ntpd
udp 0 0 localhost:ntp *:* 809/ntpd
udp 0 0 fe80::216:3eff:fe60:b3db:ntp *:* 809/ntpd
udp 0 0 *:ntp *:* 809/ntpd
Pero si ingreso en el navegador la IP 81.111.11.111 no pasa nada.
(esa ip no es real, es un ejemplo. Utilizo la ip para descartar que sea un problema por resolución de nombre de dominio).
Saludos