> -----Original Message----- > From: Anthony Baratta [mailto:Anthony at Baratta.com] > Sent: Tuesday, December 10, 2002 2:18 PM > To: thelist at lists.evolt.org > Subject: RE: [thelist] sendmail 8.12.5-7 problem > John is also correct about the fire wall manager. If you > installed the fire > wall manager during installation you should make sure that > port 25 (and > port 110 for POP) are open for external use. (again i'm going from memory here.) i do remember seeing a Security Config/Setup utility that was a basic firewall configurator. it seems that i was unable to make any changes to the settings. for example, the util would open with the current settings (i assume. and where it gets these settings i don't know, as john mentioned xinetd.conf?), i chose "none" (or something to that affect) and clicked 'ok'. i then tried to telnet in, nothing happened. so i decided i'd reopen the firewall util and see what it said, to my dismay, the firewall was back to "high" security and not "none" like i'd expected. now to my question... is this util related at all to iptables/ipchains or is it a separate file/function of the os. i know john mentioned xinetd.conf (which i haven't been able to take a look at yet) but i just wanted to try and get this cleared up. thanks, chris. p.s. in your opinion would it be a good idea to buy a redhat 8 book? any suggestions?