Re: hosts.allow does not resolve names

On Tue, 27 Nov 2007 20:23:26 -0600, Moe Trin wrote:
article <slrnfkp0t8.rv.BitTwister@xxxxxxxxxxxxxxx>, Bit Twister wrote:

Quick look - is there anything obvious in a packet dump?

Not to my untrained eye. Here is fail followed by works.

$ cat /etc/hosts.allow
ALL: .home.invalid


arp who-has m2008 tell wb
arp reply m2008 is-at 00:a0:cc:e6:de:71 (oui Unknown)
IP wb.57491 > m2008.sunrpc: S 1265898696:1265898696(0) win 5840 <mss 1460,sackOK,timestamp 97857955 0,nop,wscale 6>
IP m2008.sunrpc > wb.57491: S 301091153:301091153(0) ack 1265898697 win 5792 <mss 1460,sackOK,timestamp 4295895 97857955,nop,wscale 6>
IP wb.57491 > m2008.sunrpc: . ack 1 win 92 <nop,nop,timestamp 97857956 4295895>
IP wb.57491 > m2008.sunrpc: P 1:61(60) ack 1 win 92 <nop,nop,timestamp 97857956 4295895>
IP m2008.sunrpc > wb.57491: . ack 61 win 91 <nop,nop,timestamp 4295895 97857956>
IP m2008.sunrpc > wb.57491: P 1:33(32) ack 61 win 91 <nop,nop,timestamp 4295943 97857956>
IP wb.57491 > m2008.sunrpc: . ack 33 win 92 <nop,nop,timestamp 97858004 4295943>
IP wb.57491 > m2008.sunrpc: F 61:61(0) ack 33 win 92 <nop,nop,timestamp 97858004 4295943>
IP wb.34026 > m2008.sunrpc: UDP, length 56
IP m2008.sunrpc > wb.57491: . ack 62 win 91 <nop,nop,timestamp 4295983 97858004>
IP m2008.sunrpc > wb.34026: UDP, length 28
IP wb.39341 > m2008.sunrpc: S 1390155097:1390155097(0) win 5840 <mss 1460,sackOK,timestamp 97858075 0,nop,wscale 6>
IP m2008.sunrpc > wb.39341: S 429023936:429023936(0) ack 1390155098 win 5792 <mss 1460,sackOK,timestamp 4296014 97858075,nop,wscale 6>
IP wb.39341 > m2008.sunrpc: . ack 1 win 92 <nop,nop,timestamp 97858075 4296014>
IP wb.39341 > m2008.sunrpc: P 1:61(60) ack 1 win 92 <nop,nop,timestamp 97858075 4296014>
IP m2008.sunrpc > wb.39341: . ack 61 win 91 <nop,nop,timestamp 4296014 97858075>
IP m2008.sunrpc > wb.39341: P 1:33(32) ack 61 win 91 <nop,nop,timestamp 4296097 97858075>
IP wb.39341 > m2008.sunrpc: . ack 33 win 92 <nop,nop,timestamp 97858158 4296097>
IP wb.39341 > m2008.sunrpc: F 61:61(0) ack 33 win 92 <nop,nop,timestamp 97858158 4296097>
IP wb.34026 > m2008.sunrpc: UDP, length 56
IP m2008.sunrpc > wb.39341: . ack 62 win 91 <nop,nop,timestamp 4296137 97858158>
IP m2008.sunrpc > wb.34026: UDP, length 28
IP wb.47852 > m2008.sunrpc: S 1545191974:1545191974(0) win 5840 <mss 1460,sackOK,timestamp 97858243 0,nop,wscale 6>
IP m2008.sunrpc > wb.47852: S 599734652:599734652(0) ack 1545191975 win 5792 <mss 1460,sackOK,timestamp 4296182 97858243,nop,wscale 6>
IP wb.47852 > m2008.sunrpc: . ack 1 win 92 <nop,nop,timestamp 97858243 4296182>
IP wb.47852 > m2008.sunrpc: P 1:61(60) ack 1 win 92 <nop,nop,timestamp 97858243 4296182>
IP m2008.sunrpc > wb.47852: . ack 61 win 91 <nop,nop,timestamp 4296182 97858243>
IP m2008.sunrpc > wb.57491: F 33:33(0) ack 62 win 91 <nop,nop,timestamp 4296209 97858004>
IP wb.57491 > m2008.sunrpc: . ack 34 win 92 <nop,nop,timestamp 97858271 4296209>
IP m2008.sunrpc > wb.47852: P 1:33(32) ack 61 win 91 <nop,nop,timestamp 4296282 97858243>
IP wb.47852 > m2008.sunrpc: . ack 33 win 92 <nop,nop,timestamp 97858343 4296282>
IP wb.47852 > m2008.sunrpc: F 61:61(0) ack 33 win 92 <nop,nop,timestamp 97858343 4296282>
IP wb.34026 > m2008.sunrpc: UDP, length 56
IP m2008.sunrpc > wb.47852: . ack 62 win 91 <nop,nop,timestamp 4296322 97858343>
IP m2008.sunrpc > wb.34026: UDP, length 28
IP wb.54466 > m2008.sunrpc: S 1789680568:1789680568(0) win 5840 <mss 1460,sackOK,timestamp 97858482 0,nop,wscale 6>
IP m2008.sunrpc > wb.54466: S 834056044:834056044(0) ack 1789680569 win 5792 <mss 1460,sackOK,timestamp 4296421 97858482,nop,wscale 6>
IP wb.54466 > m2008.sunrpc: . ack 1 win 92 <nop,nop,timestamp 97858482 4296421>
IP wb.54466 > m2008.sunrpc: P 1:61(60) ack 1 win 92 <nop,nop,timestamp 97858483 4296421>
IP m2008.sunrpc > wb.54466: . ack 61 win 91 <nop,nop,timestamp 4296421 97858483>
IP m2008.sunrpc > wb.39341: F 33:33(0) ack 62 win 91 <nop,nop,timestamp 4296480 97858158>
IP wb.39341 > m2008.sunrpc: . ack 34 win 92 <nop,nop,timestamp 97858542 4296480>
IP m2008.sunrpc > wb.54466: P 1:33(32) ack 61 win 91 <nop,nop,timestamp 4296542 97858483>
IP wb.54466 > m2008.sunrpc: . ack 33 win 92 <nop,nop,timestamp 97858603 4296542>
IP wb.54466 > m2008.sunrpc: F 61:61(0) ack 33 win 92 <nop,nop,timestamp 97858603 4296542>
IP wb.34026 > m2008.sunrpc: UDP, length 56
IP m2008.sunrpc > wb.54466: . ack 62 win 91 <nop,nop,timestamp 4296582 97858603>
IP m2008.sunrpc > wb.34026: UDP, length 28
IP wb.40955 > m2008.sunrpc: S 2032104255:2032104255(0) win 5840 <mss 1460,sackOK,timestamp 97858726 0,nop,wscale 6>
IP m2008.sunrpc > wb.40955: S 1073076948:1073076948(0) ack 2032104256 win 5792 <mss 1460,sackOK,timestamp 4296665 97858726,nop,wscale 6>
IP wb.40955 > m2008.sunrpc: . ack 1 win 92 <nop,nop,timestamp 97858727 4296665>
IP wb.40955 > m2008.sunrpc: P 1:61(60) ack 1 win 92 <nop,nop,timestamp 97858727 4296665>
IP m2008.sunrpc > wb.40955: . ack 61 win 91 <nop,nop,timestamp 4296665 97858727>
IP m2008.sunrpc > wb.47852: F 33:33(0) ack 62 win 91 <nop,nop,timestamp 4296719 97858343>
IP wb.47852 > m2008.sunrpc: . ack 34 win 92 <nop,nop,timestamp 97858781 4296719>
IP m2008.sunrpc > wb.40955: P 1:33(32) ack 61 win 91 <nop,nop,timestamp 4296789 97858727>
IP wb.40955 > m2008.sunrpc: . ack 33 win 92 <nop,nop,timestamp 97858850 4296789>
IP wb.40955 > m2008.sunrpc: F 61:61(0) ack 33 win 92 <nop,nop,timestamp 97858850 4296789>
IP wb.34026 > m2008.sunrpc: UDP, length 56
IP m2008.sunrpc > wb.40955: . ack 62 win 91 <nop,nop,timestamp 4296829 97858850>
IP m2008.sunrpc > wb.34026: UDP, length 28
IP wb.43448 > m2008.sunrpc: S 2282608407:2282608407(0) win 5840 <mss 1460,sackOK,timestamp 97858980 0,nop,wscale 6>
IP m2008.sunrpc > wb.43448: S 1321319375:1321319375(0) ack 2282608408 win 5792 <mss 1460,sackOK,timestamp 4296919 97858980,nop,wscale 6>
IP wb.43448 > m2008.sunrpc: . ack 1 win 92 <nop,nop,timestamp 97858981 4296919>
IP wb.43448 > m2008.sunrpc: P 1:61(60) ack 1 win 92 <nop,nop,timestamp 97858981 4296919>
IP m2008.sunrpc > wb.43448: . ack 61 win 91 <nop,nop,timestamp 4296919 97858981>
IP m2008.sunrpc > wb.54466: F 33:33(0) ack 62 win 91 <nop,nop,timestamp 4297003 97858603>
IP wb.54466 > m2008.sunrpc: . ack 34 win 92 <nop,nop,timestamp 97859065 4297003>
IP m2008.sunrpc > wb.43448: P 1:33(32) ack 61 win 91 <nop,nop,timestamp 4297043 97858981>
IP wb.43448 > m2008.sunrpc: . ack 33 win 92 <nop,nop,timestamp 97859104 4297043>
IP wb.43448 > m2008.sunrpc: F 61:61(0) ack 33 win 92 <nop,nop,timestamp 97859104 4297043>
IP wb.34026 > m2008.sunrpc: UDP, length 56
IP m2008.sunrpc > wb.43448: . ack 62 win 91 <nop,nop,timestamp 4297083 97859104>
IP m2008.sunrpc > wb.34026: UDP, length 28
IP m2008.sunrpc > wb.40955: F 33:33(0) ack 62 win 91 <nop,nop,timestamp 4297274 97858850>
IP wb.40955 > m2008.sunrpc: . ack 34 win 92 <nop,nop,timestamp 97859336 4297274>
IP m2008.sunrpc > wb.43448: F 33:33(0) ack 62 win 91 <nop,nop,timestamp 4297622 97859104>
IP wb.43448 > m2008.sunrpc: . ack 34 win 92 <nop,nop,timestamp 97859684 4297622>
IP wb.47215 > m2008.sunrpc: S 2720007308:2720007308(0) win 5840 <mss 1460,sackOK,timestamp 97928135 0,nop,wscale 6>


$ cat /etc/hosts.allow
ALL: 192.168.1.

IP wb.47215 > m2008.sunrpc: S 2720007308:2720007308(0) win 5840 <mss 1460,sackOK,timestamp 97928135 0,nop,wscale 6>
IP m2008.sunrpc > wb.47215: S 1756948559:1756948559(0) ack 2720007309 win 5792 <mss 1460,sackOK,timestamp 4366062 97928135,nop,wscale 6>
IP wb.47215 > m2008.sunrpc: . ack 1 win 92 <nop,nop,timestamp 97928135 4366062>
IP wb.47215 > m2008.sunrpc: P 1:61(60) ack 1 win 92 <nop,nop,timestamp 97928135 4366062>
IP m2008.sunrpc > wb.47215: . ack 61 win 91 <nop,nop,timestamp 4366062 97928135>
IP m2008.sunrpc > wb.47215: P 1:33(32) ack 61 win 91 <nop,nop,timestamp 4366069 97928135>
IP wb.47215 > m2008.sunrpc: . ack 33 win 92 <nop,nop,timestamp 97928142 4366069>
IP wb.47215 > m2008.sunrpc: F 61:61(0) ack 33 win 92 <nop,nop,timestamp 97928142 4366069>
IP wb.0 > m2008.nfs: 0 null
IP m2008.nfs > wb.0: reply ok 0 null
IP wb.57085 > m2008.nfs: . ack 1754567466 win 92 <nop,nop,timestamp 97928142 4366069>
IP wb.730893333 > m2008.nfs: 44 null
IP m2008.nfs > wb.57085: . ack 44 win 91 <nop,nop,timestamp 4366069 97928142>
IP m2008.sunrpc > wb.47215: F 33:33(0) ack 62 win 91 <nop,nop,timestamp 4366073 97928142>
IP wb.47215 > m2008.sunrpc: . ack 34 win 92 <nop,nop,timestamp 97928146 4366073>
IP m2008.nfs > wb.730893333: reply ok 28 null
IP wb.57085 > m2008.nfs: . ack 29 win 92 <nop,nop,timestamp 97928158 4366085>
IP wb.57085 > m2008.nfs: F 44:44(0) ack 29 win 92 <nop,nop,timestamp 97928158 4366085>
IP wb.34026 > m2008.sunrpc: UDP, length 56
IP m2008.nfs > wb.57085: F 29:29(0) ack 45 win 91 <nop,nop,timestamp 4366085 97928158>
IP wb.57085 > m2008.nfs: . ack 30 win 92 <nop,nop,timestamp 97928158 4366085>
IP m2008.sunrpc > wb.34026: UDP, length 28
IP wb.34026 > m2008.32771: UDP, length 40
IP m2008.32771 > wb.34026: UDP, length 24
IP wb.919 > m2008.32771: UDP, length 96
IP m2008.32771 > wb.919: UDP, length 76
IP wb.3286482372 > m2008.nfs: 0 null
IP m2008.nfs > wb.3286482372: reply Unknown rpc response code=2333925260 0
IP wb.940 > m2008.nfs: . ack 1805589363 win 92 <nop,nop,timestamp 97928190 4366116>
IP wb.2198275900 > m2008.nfs: 44 null
IP m2008.nfs > wb.940: . ack 44 win 91 <nop,nop,timestamp 4366117 97928190>
IP m2008.nfs > wb.2198275900: reply ok 28 null
IP wb.940 > m2008.nfs: . ack 29 win 92 <nop,nop,timestamp 97928190 4366117>
IP wb.2215053116 > m2008.nfs: 44 null
IP m2008.nfs > wb.2215053116: reply ok 28 null
IP wb.2231830332 > m2008.nfs: 112 fsinfo fh Unknown/01000600C3E3BDC4312611D78B1CDF8C4D8D30D3000000000000000000000000
IP m2008.nfs > wb.2231830332: reply ok 84 fsinfo rtmax 131072 rtpref 131072 wtmax 131072 wtpref 131072 dtpref 4096
IP wb.2248607548 > m2008.nfs: 112 getattr fh Unknown/01000600C3E3BDC4312611D78B1CDF8C4D8D30D3000000000000000000000000
IP m2008.nfs > wb.2248607548: reply ok 116 getattr DIR 40755 ids 0/0 sz 4096
IP wb.2265384764 > m2008.nfs: 112 fsinfo fh Unknown/01000600C3E3BDC4312611D78B1CDF8C4D8D30D3000000000000000000000000
IP m2008.nfs > wb.2265384764: reply ok 84 fsinfo rtmax 131072 rtpref 131072 wtmax 131072 wtpref 131072 dtpref 4096
IP wb.2282161980 > m2008.nfs: 112 getattr fh Unknown/01000600C3E3BDC4312611D78B1CDF8C4D8D30D3000000000000000000000000
IP m2008.nfs > wb.2282161980: reply ok 116 getattr DIR 40755 ids 0/0 sz 4096
IP wb.940 > m2008.nfs: . ack 457 win 92 <nop,nop,timestamp 97928234 4366121>
.