wow /screams -----Original Message----- From: redhat-list-bounces@xxxxxxxxxx [mailto:redhat-list-bounces@xxxxxxxxxx]On Behalf Of M Syafii Sent: Thursday, July 29, 2004 6:57 AM To: General Red Hat Linux discussion list Subject: Re: cannot telnet port 25 from other hosts On Wed, 28 Jul 2004 14:25:03 +0000 "ssoss S" <sctssoss@xxxxxxxxxxx> wrote: > hi.. I found that I cannot telnet my linux box (fedora >core1) via port 25 (SMTP) but the SMTP service is >started. I can telnet to localhost via port 25. May I >know where is the config to control and allow me to >telnet mylinux 25 from other hosts?? > >FYI, my sendmail version is > [root@watcher root]# telnet localhost 25 > Trying 127.0.0.1... > Connected to localhost. > Escape character is '^]'. > 220 watcher.teasin.com ESMTP Sendmail 8.12.10/8.12.10; >Wed, 28 Jul 2004 22:19:17 > +0800 i think you can use 3 options : 1. maybe you can try use tcpwrappers please open /etc/hosts.allow if you want allow computer with ip address 192.168.0.5 to access telnet on your host write : telnetd:192.168.0.5 and open too /etc/hosts.deny to set default anything access is restricted write: ALL:ALL 2. or you can use xinetd open /etc/xinetd.d/telnetd # default: on # description: The telnet server serves telnet sessions; it uses \ # unencrypted username/password pairs for authentication. service telnet { flags = REUSE log_on_failure += USERID disable = yes socket_type = stream user = root server = /usr/sbin/in.telnetd wait = no only_from = 192.168.0.5 } 3. or you can use iptables #/sbin/iptables -A INPUT -p TCP -s 192.168.0.5 --dport 23 -j ACCEPT =========================================================================================== "Gabung INSTANIA, dapatkan XENIA. Daftar di www.telkomnetinstan.com, langsung dapat akses Internet Gratis.. Dan ..ikuti "Instan Smile" berhadiah Xenia,Tour S'pore, Komputer,dll, info hub : TELKOM Jatim 0-800-1-467826 " =========================================================================================== -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
