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 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? thanks nagarjuna **************** CAUTION - Disclaimer ***************** This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended solely for the use of the addressee(s). If you are not the intended recipient, please notify the sender by e-mail and delete the original message. Further, you are not to copy, disclose, or distribute this e-mail or its contents to any other person and any such actions are unlawful. This e-mail may contain viruses. Infosys has taken every reasonable precaution to minimize this risk, but is not liable for any damage you may sustain as a result of any virus in this e-mail. You should carry out your own virus checks before opening the e-mail or attachment. Infosys reserves the right to monitor and review the content of all messages sent to or from this e-mail address. Messages sent to or from this e-mail address may be stored on the Infosys e-mail system. ***INFOSYS******** End of Disclaimer ********INFOSYS*** -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subjecthttps://www.redhat.com/mailman/listinfo/redhat-list
