Re: AXFR from Bind oddities
Chris Pugh <[email protected]> Mon, 12 Apr 2010 15:00:11 +0100
| Newsgroups | gmane.network.djbdns |
|---|---|
| Message-ID | <[email protected]> |
Have you ched here.. http://cr.yp.to/djbdns/tinydns-data.html ( especially the 'uncommon data' lines section ) and also here, http://cr.yp.to/djbdns/axfr-notes.html ? jooi, iima, why are you using axfr-dns? As djb jimself states, there are better methods. the nost obvious being rsync ( over SSH ). Regards, Chris. On 12 April 2010 14:12, DAve <[email protected]> wrote: > Good morning, > > We have a client that we routinely AXFR zone from. They use Bind inside > their network and we AXFR zone when they send us a notify, load the zone > into VegaDNS, and then populate our tinydns data files. > > We are running into a issue with TXT records where extra characters > appear in the records. The client is editing their zone files with VI > and their Bind server answers with a correct record. When we do an AXFR > though, the data file created by axfr-get has odd characters in the TXT > file line. This is only happening with one client. > > Example, > :djgusa.com:16:Zv\075spf1 <snip> > Why is the "Z" in "16:Zv"? > > :djgusa.com:16:\136spf2.0 <snip> > Why is the "\136" in "16:\136spf2"? > > Currently I am filtering out the oddities with a preprocessor script but > it is becoming a chore as the characters do not remain the same, and do > not always appear in every TXT record. > > This is the current list of filters I have in place, and it's growing. > > }elsif($id eq ":"){ > if($debug){print "'$data[0]' '$data[1]' '$data[2]' '$id' '$line'\n";} > if($data[2] eq "16"){ > $data[3] =~ s/Nv\\075/v=/; > $data[3] =~ s/\\040/ /g; > $data[3] =~ s/\\042//g; > $data[3] =~ s/\\073//g; > $data[3] =~ s/\\072/:/g; > $data[3] =~ s/\\176/~/g; > $data[3] =~ s/\\057/\//g; > $data[3] =~ s/\\015//g; > $data[3] =~ s/\\222//g; > $data[3] =~ s/\\173//g; > $data[3] =~ s/\\174//g; > $data[3] =~ s/\\075/=/g; > $data[3] =~ s/\\037v=/v=/g; > $data[3] =~ s/\\3v=/v=/g; > $data[3] =~ s/\\211v=/v=/g; > $data[3] =~ s/\\213v=/v=/g; > $data[3] =~ s/\\227v=/v=/g; > $data[3] =~ s/\\243v=/v=/g; > $data[3] =~ s/\\247v=/v=/g; > $data[3] =~ s/\\247spf/spf/g; > $data[3] =~ s/\\136spf2/spf2/g; > $data[3] =~ s/\\Zv=spf1/v=spf1/g; > $data[3] =~ s/\\210k=/k=/g; > $data[3] =~ s/\\011t=/t=/g; > $host = $data[1]; > $type = 'T'; > $val = $data[3]; > $distance = ''; > $ttl = $data[4]; > > I am open to any suggestions as to where these characters are coming > from, and how to stop them from getting into the data record. > > Thanks, > > DAve > > -- > "Posterity, you will know how much it cost the present generation to > preserve your freedom. I hope you will make good use of it. If you > do not, I shall repent in heaven that ever I took half the pains to > preserve it." John Adams > > http://appleseedinfo.org > >