haciendo el netstat no da nada server2:~ # netstat -puta Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 *:exec *:* LISTEN 772/inetd tcp 0 0 *:imaps *:* LISTEN 276/master tcp 0 0 *:pop3s *:* LISTEN 276/master tcp 0 0 *:time *:* LISTEN 772/inetd tcp 0 0 *:netbios-ssn *:* LISTEN 626/smbd tcp 0 0 *:Express7500 *:* LISTEN 888/reldbsrv tcp 0 0 *:pop3 *:* LISTEN 276/master tcp 0 0 *:imap *:* LISTEN 276/master tcp 0 0 *:sunrpc *:* LISTEN 308/portmap tcp 0 0 *:www-http *:* LISTEN 801/httpd tcp 0 0 *:ftp *:* LISTEN 772/inetd tcp 0 0 *:ipp *:* LISTEN 436/cupsd tcp 0 0 *:smtp *:* LISTEN 772/inetd tcp 0 0 *:https *:* LISTEN 801/httpd udp 0 0 *:syslog *:* 341/syslogd udp 0 0 *:talk *:* 772/inetd udp 0 0 *:ntalk *:* 772/inetd udp 0 0 server2.bosc:netbios-ns *:* 598/nmbd udp 0 0 *:netbios-ns *:* 598/nmbd udp 0 0 server2.bos:netbios-dgm *:* 598/nmbd udp 0 0 *:netbios-dgm *:* 598/nmbd udp 0 0 *:time *:* 772/inetd udp 0 0 *:sunrpc *:* 308/portmap udp 0 0 *:ipp *:* 436/cupsd server2:~ # nmap 127.0.0.1 si quiero hacer nmap a si mismo no puedo Starting nmap 3.26 ( www.insecure.org/nmap/ ) at 2003-10-02 15:22 UYT Serious time computation problem in adjust_timeout ... received = (1065118968, 714345) sent=(1065118968,715214) delta = 0 srtt = -869 rttvar = 5000 to = 300000 QUITTING! server2:~ # nmap pc45 Starting nmap 3.26 ( www.insecure.org/nmap/ ) at 2003-10-02 15:23 UYT Serious time computation problem in adjust_timeout ... received = (1065118989, 94345) sent=(1065118989,100242) delta = 0 srtt = -5897 rttvar = 5000 to = 300000 QUITTING! server2:~ # haciendo un nmap sin ningun parametro desde otro servidor me da todo esto Starting nmap V. 2.54BETA30 ( www.insecure.org/nmap/ ) (The 1520 ports scanned but not shown below are in state: closed) Port State Service 21/tcp open ftp 22/tcp open ssh 23/tcp filtered telnet 25/tcp open smtp 37/tcp open time 79/tcp filtered finger 80/tcp open http 110/tcp open pop-3 111/tcp filtered sunrpc 113/tcp filtered auth 137/tcp filtered netbios-ns 139/tcp filtered netbios-ssn 143/tcp filtered imap2 443/tcp open https 445/tcp filtered microsoft-ds 512/tcp filtered exec 513/tcp filtered login 514/tcp filtered shell 515/tcp filtered printer 631/tcp open cups 924/tcp filtered unknown 940/tcp filtered unknown 993/tcp open imaps 995/tcp open pop3s 1067/tcp filtered instl_boots 1103/tcp filtered xaudio 1347/tcp filtered bbn-mmc 1383/tcp filtered gwha 1389/tcp filtered iclpv-dm