Date: 05 Dec 2004 11:33:23 -0500 From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org> To: junkmail@sensewave.com Cc: freebsd-questions@freebsd.org Subject: Re: daily security run output messages Message-ID: <44r7m49030.fsf@be-well.ilk.org> In-Reply-To: <20041203061207.GB1323@tyven.la3sg.net> References: <20041203061207.GB1323@tyven.la3sg.net>
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Kjell Midtseter <junkmail@sensewave.com> writes: > List members! > > My daily security run output contains lots of kernel log messages like the following: > > Connection attempt to UDP 10.0.0.10:1099 from 217.13.4.21:53 > > Connection attempt to UDP 10.0.0.10:3204 from 193.75.75.193:53 > ------ > What are the significanse of these messages? > > My ipf firewall contains: > # domain name servers (dns) > pass in quick on rl0 proto udp from 217.13.4.21/32 to any port = 53 keep state > ------ > Should I make any changes to my firewall settings? Looks like a NAT problem; is your 10.0.0.10 address supposed to be visible to the ISP's DNS server? -- Lowell Gilbert, embedded/networking software engineer, Boston area http://be-well.ilk.org/~lowell/
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