[root@bd46f17 ~]# dig @192.168.100.2 intranet.angra axfr
;; communications error to 192.168.100.2#53: end of file


xfer-in.log

28-Nov-2007 10:58:33.484 xfer-in: error: transfer of 'intranet.angra/IN' from 192.168.100.2#53: failed while receiving responses: end of file
28-Nov-2007 10:58:33.484 xfer-in: info: transfer of 'intranet.angra/IN' from 192.168.100.2#53: end of transfer



tcpdump no server atras da VPN que é o master:

[root@hank ~]# tcpdump -i any -n -p port 53
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on any, link-type LINUX_SLL (Linux cooked), capture size 96 bytes
11:10:25.012101 IP 10.0.253.101.1946 > 192.168.100.2.53: S 2645454938:2645454938(0) win 5840 <mss 1368,sackOK,timestamp 109278875 0,nop,wscale 2>
11:10:25.012149 IP 192.168.100.2.53 > 10.0.253.101.1946: S 844779887:844779887(0) ack 2645454939 win 5792 <mss 1460,sackOK,timestamp 2846848131 109278875,nop,wscale 7>
11:10:25.030080 IP 10.0.253.101.1946 > 192.168.100.2.53: . ack 1 win 1460 <nop,nop,timestamp 109278879 2846848131>
11:10:25.030224 IP 192.168.100.2.53 > 10.0.253.101.1946: F 1:1(0) ack 1 win 46 <nop,nop,timestamp 2846848136 109278879>
11:10:25.033675 IP 10.0.253.101.1946 > 192.168.100.2.53: P 1:35(34) ack 1 win 1460 <nop,nop,timestamp 109278879 2846848131> 38290[|domain]
11:10:25.033704 IP 192.168.100.2.53 > 10.0.253.101.1946: R 844779888:844779888(0) win 0
11:10:25.052179 IP 10.0.253.101.1946 > 192.168.100.2.53: . ack 2 win 1460 <nop,nop,timestamp 109278885 2846848136>
11:10:25.052199 IP 192.168.100.2.53 > 10.0.253.101.1946: R 844779889:844779889(0) win 0
11:10:25.055690 IP 10.0.253.101.1946 > 192.168.100.2.53: F 35:35(0) ack 2 win 1460 <nop,nop,timestamp 109278885 2846848136>
11:10:25.055709 IP 192.168.100.2.53 > 10.0.253.101.1946: R 844779889:844779889(0) win 0