Date: Thu, 09 Sep 1999 08:45:19 +1000 From: dougy@gargoyle.apana.org.au To: freebsd-questions@FreeBSD.ORG, jneumann@guessrudd.com Subject: Re: FreeBSD PPP Message-ID: <19990908225418.0864B1578D@hub.freebsd.org>
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Hi Jason > re: The timeout issue - Congratulations! > The # sign and trailing text on the timeout line must have caused the > line to be ignored and a default of 15 minutes to occur. As far as I > know using the -ddial option does not prevent a timeout from occurring, > it causes an instant redial to occur when the link is dropped (by > timeout or other causes). > well I really don't know much about the theory, but as I recall it was Brian who told me using "ppp -ddial<ISP>" would force ppp to ignore timeout settings .... certainly seems to have do so here anyway as its been connected for nearly a week continuously with no sign of dropping the link .... not a mention of any re-connection in ppp.log either !!! > re: Firewalls > The site I have listed below has several examples of firewalls and > explanations of what the firewall rules are doing. I used Example1 as a > model to build my firewalls. I had to modify and add rules to satisfy my > needs but all the basics can be found there. You need to understand > some basic tcp/ip concepts such ip addresses and port numbers. You can > use the O'Reilly book Building Internet Firewalls if you feel the need > to get into heavy stuff such parameter lans and bastion hosts. > Thanks for the URL Jason ... I'll have a look around there. I don't think I need anything too fancy at this point ....hopefully there's something basic I can comprehend that will keep some of the brain dead vandals out > Some really simple things you can do to protect yourself are disable > unused services in /etc/inted.conf or wrap them with tcp wrappers by > editing the /etc/hosts.allow text file (FBSD-3.2 or higher). Ahhhh .... now just how do I get to know what are "unused services" .... just a matter of "suck it and see" ?? Is there a "newbie-friendly" explanation of what this stuff does or are the comments sufficiently comprehensible ?? > > This site has good ipfw rule examples. > http://support.metronet.com/~pgilley/freebsd/ipfw/index.html > > Thi To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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