El Miércoles 26 Octubre 2005 19:55, Nagarjuna Rao Cherukuri escribió: > Hi, > > > > Can anyone tell me how to enable port 25 in my server? I am able to ping > to this port as local host, but it is failing when try to ping using > DNS. > > > > [root@hydlmuk lib]# telnet localhost 25 > > Trying 127.0.0.1... > > Connected to localhost.localdomain (127.0.0.1). > > Escape character is '^]'. > > 220 hydlmuk.ad.infosys.com ESMTP Sendmail 8.11.6/8.11.6; Wed, 26 Oct > 2005 23:15:11 +0530 > > quit > > 221 2.0.0 hydlmuk.ad.infosys.com closing connection > > Connection closed by foreign host. > > You have new mail in /var/spool/mail/root > > > > [root@hydlmuk lib]# hostname > > hydlmuk > > [root@hydlmuk lib]# telnet hydlmuk 25 > > Trying 172.25.125.203... > > telnet: Unable to connect to remote host: Connection refused > For some strange reason, your sendmail went down. Did you look at logs? > > > My nmap output is as follows. > > > > [root@hydlmuk lib]# nmap hydlmuk > > > > Starting nmap V. 2.54BETA22 ( www.insecure.org/nmap/ ) > > Interesting ports on hydlmuk.ad.infosys.com (172.25.125.203): > > (The 1528 ports scanned but not shown below are in state: closed) > > Port State Service > > 21/tcp open ftp > > 22/tcp open ssh > > 23/tcp open telnet > > 110/tcp open pop-3 > > 111/tcp open sunrpc > > 143/tcp open imap2 > > 1521/tcp open ncube-lm > > 5010/tcp open telelpathstart > > 5680/tcp open canna > > 6000/tcp open X11 > > 22273/tcp open wnn6 > > 22289/tcp open wnn6_Cn > > 22305/tcp open wnn6_Kr > > 22321/tcp open wnn6_Tw > > > > can anyone tell me how to resolve this issue? Try to run sendmail and run nmap again What's the output? -- Manuel Arostegui Ramirez #Linux Registered User 295750 Socio de Hispalinux 1813 Red Hat Linux 9, Kernel 2.6.2 ReiserFS Firma cifrada -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQE+3O1MqfmPcHTj+twRAm yDAJ9P6ezepIMg06vOet/YPKxVoB+Z/ACfWVhh ---END PGP SIGNATURE----- -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list