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Debian Lprng print server problem...

Tripko

Tripko

Čuven
Učlanjen(a)
17.12.2001
Poruke
101
Poena
619
Postavka je sledeca:


# WIN-XP 32-bit#-----#Debian Lprng#------#TP-Link Prt|Srv#----#Epson-LQ680 #


Treba konfigurisati Lprng da prima zahteve za stampu u print spooler i da ih prosledi na TPlink print server
na koji je zakachen lq680...

Problem je sto se sa debian-a stampa normalno ( imam scriptu koja stampa ), ali ne i sa WinXP masine.

Ovo je princap:
Kod: 
miclq|lp|PostScript|lq680|EPSON LQ680:\                         
       :[email protected]:sd=/var/spool/lpd/miclq:fq:sh:mx#0:\          
       :lf=/var/log/lpd-errs:

checkpc -f -V vraca:
Kod: 
LPRng-3.8.A, Kerberos5, Copyright 1988-2003 Patrick Powell, <[email protected]>
Checking for configuration files '//etc/lprng/lpd.conf'
  found '//etc/lprng/lpd.conf', mod 0100644
Checking for printcap files '//etc/printcap'
Checking for lpd only printcap files '//etc/lprng/lpd_printcap'
 DaemonUID 1, DaemonGID 7
Using Config file '//etc/lprng/lpd.conf'
LPD lockfile '/var/run/lprng/lpd.515'

.names
 :lp=miclq
 :lq680=miclq
 :miclq=miclq
 :PostScript=miclq

.all
 :miclq

#Printcap Information
miclq|lp|PostScript|lq680|EPSON LQ680
 :fq
 :lf=/var/log/lpd-errs
 :[email protected]
 :mx#0
 :sd=/var/spool/lpd/miclq
 :sh
Checking printcap info
Checking printer 'miclq'
 Checking directory: '/var/spool/lpd/miclq'
   directory '/'
   directory '//var'
   directory '//var/spool'
   directory '//var/spool/lpd'
   directory '//var/spool/lpd/miclq'
  checking 'control.pr' file
  checking 'status.pr' file
  checking 'status' file
  checking '/var/log/lpd-errs' file
  checking 'acct' file

takodje, u lpd.conf-u stoji:
Kod: 
lpd_listen_port=9100

josh:

netstat -a | grep -i 9100
Kod: 
tcp        0      0 *:9100                  *:*                     LISTEN
U WinXP-u dodat stampac kao lokalni, pa Standard TCP/IP port i genericki drv za lq680, protocol RAW, port#9100.

Ne znam kuda dalje, ako neko zna, naka kaze sada ;)
 
Probao sam i sa default Lprng printer port-om ( 515 ) i na Win mashini konfigurisao protocol LPD na portu 515 i moj print que (miclq)
i nishta...
 
Startuj tcpdump na debianu, pa vidi jel se desava nesto kada radis print iz xp-a.

Kod: 
tcpdump port 9100
 
Kod: 
09:55:31.595425 IP (tos 0x0, ttl 128, id 870, offset 0, flags [DF], proto TCP (6), length 48)
    10.10.10.112.1166 > 10.10.10.220.9100: Flags [S], cksum 0x06fb (correct), seq 4162859658, win 65535, options [mss 1460,nop,nop,sackOK], length 0
09:55:31.595467 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 48)
    10.10.10.220.9100 > 10.10.10.112.1166: Flags [S.], cksum 0x8349 (correct), seq 1515328126, ack 4162859659, win 5840, options [mss 1460,nop,nop,sackOK], length 0
09:55:31.595920 IP (tos 0x0, ttl 128, id 871, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.112.1166 > 10.10.10.220.9100: Flags [.], cksum 0xc6dd (correct), seq 1, ack 1, win 65535, length 0
09:55:31.603252 IP (tos 0x0, ttl 64, id 25624, offset 0, flags [DF], proto TCP (6), length 64)
    10.10.10.220.9100 > 10.10.10.112.1166: Flags [P.], cksum 0xf1d4 (correct), seq 1:25, ack 1, win 5840, length 24
09:55:31.603490 IP (tos 0x0, ttl 64, id 25625, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1166: Flags [F.], cksum 0xaff4 (correct), seq 25, ack 1, win 5840, length 0
09:55:31.606554 IP (tos 0x0, ttl 128, id 872, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.112.1166 > 10.10.10.220.9100: Flags [.], cksum 0xc6dc (correct), seq 1, ack 26, win 65511, length 0
09:55:31.740820 IP (tos 0x0, ttl 128, id 873, offset 0, flags [DF], proto TCP (6), length 1500)
    10.10.10.112.1166 > 10.10.10.220.9100: Flags [.], cksum 0xf9f9 (correct), seq 1:1461, ack 26, win 65511, length 1460
09:55:31.740866 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1166: Flags [R], cksum 0xf17c (correct), seq 1515328152, win 0, length 0
09:55:31.741272 IP (tos 0x0, ttl 128, id 874, offset 0, flags [DF], proto TCP (6), length 1500)
    10.10.10.112.1166 > 10.10.10.220.9100: Flags [.], cksum 0x1016 (correct), seq 1461:2921, ack 26, win 65511, length 1460
09:55:31.741308 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1166: Flags [R], cksum 0xf17c (correct), seq 1515328152, win 0, length 0
09:55:31.870044 IP (tos 0x0, ttl 128, id 875, offset 0, flags [DF], proto TCP (6), length 48)
    10.10.10.112.1167 > 10.10.10.220.9100: Flags [S], cksum 0xb0f7 (correct), seq 4187784976, win 65535, options [mss 1460,nop,nop,sackOK], length 0
09:55:31.870081 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 48)
    10.10.10.220.9100 > 10.10.10.112.1167: Flags [S.], cksum 0x25a5 (correct), seq 3843657559, ack 4187784977, win 5840, options [mss 1460,nop,nop,sackOK], length 0
09:55:31.870534 IP (tos 0x0, ttl 128, id 876, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.112.1167 > 10.10.10.220.9100: Flags [.], cksum 0x6939 (correct), seq 1, ack 1, win 65535, length 0
09:55:31.873959 IP (tos 0x0, ttl 64, id 63988, offset 0, flags [DF], proto TCP (6), length 64)
    10.10.10.220.9100 > 10.10.10.112.1167: Flags [P.], cksum 0x9430 (correct), seq 1:25, ack 1, win 5840, length 24
09:55:31.874197 IP (tos 0x0, ttl 64, id 63989, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1167: Flags [F.], cksum 0x5250 (correct), seq 25, ack 1, win 5840, length 0
09:55:31.874690 IP (tos 0x0, ttl 128, id 877, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.112.1167 > 10.10.10.220.9100: Flags [.], cksum 0x6938 (correct), seq 1, ack 26, win 65511, length 0
09:55:31.984763 IP (tos 0x0, ttl 128, id 878, offset 0, flags [DF], proto TCP (6), length 1500)
    10.10.10.112.1167 > 10.10.10.220.9100: Flags [.], cksum 0x9c55 (correct), seq 1:1461, ack 26, win 65511, length 1460
09:55:31.984801 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1167: Flags [R], cksum 0xe9da (correct), seq 3843657585, win 0, length 0
09:55:31.985183 IP (tos 0x0, ttl 128, id 879, offset 0, flags [DF], proto TCP (6), length 1500)
    10.10.10.112.1167 > 10.10.10.220.9100: Flags [.], cksum 0xb271 (correct), seq 1461:2921, ack 26, win 65511, length 1460
09:55:31.985221 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1167: Flags [R], cksum 0xe9da (correct), seq 3843657585, win 0, length 0
09:55:32.103118 IP (tos 0x0, ttl 128, id 880, offset 0, flags [DF], proto TCP (6), length 48)
    10.10.10.112.1168 > 10.10.10.220.9100: Flags [S], cksum 0xb9fa (correct), seq 205876068, win 65535, options [mss 1460,nop,nop,sackOK], length 0
09:55:32.103164 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 48)
    10.10.10.220.9100 > 10.10.10.112.1168: Flags [S.], cksum 0x1a6d (correct), seq 3906183128, ack 205876069, win 5840, options [mss 1460,nop,nop,sackOK], length 0
09:55:32.104460 IP (tos 0x0, ttl 128, id 881, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.112.1168 > 10.10.10.220.9100: Flags [.], cksum 0x5e01 (correct), seq 1, ack 1, win 65535, length 0
09:55:32.107909 IP (tos 0x0, ttl 64, id 59711, offset 0, flags [DF], proto TCP (6), length 64)
    10.10.10.220.9100 > 10.10.10.112.1168: Flags [P.], cksum 0x88f8 (correct), seq 1:25, ack 1, win 5840, length 24
09:55:32.108147 IP (tos 0x0, ttl 64, id 59712, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1168: Flags [F.], cksum 0x4718 (correct), seq 25, ack 1, win 5840, length 0
09:55:32.110434 IP (tos 0x0, ttl 128, id 882, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.112.1168 > 10.10.10.220.9100: Flags [.], cksum 0x5e00 (correct), seq 1, ack 26, win 65511, length 0
09:55:32.238261 IP (tos 0x0, ttl 128, id 883, offset 0, flags [DF], proto TCP (6), length 1500)
    10.10.10.112.1168 > 10.10.10.220.9100: Flags [.], cksum 0x911d (correct), seq 1:1461, ack 26, win 65511, length 1460
09:55:32.238309 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1168: Flags [R], cksum 0xd59e (correct), seq 3906183154, win 0, length 0
09:55:32.238635 IP (tos 0x0, ttl 128, id 884, offset 0, flags [DF], proto TCP (6), length 1500)
    10.10.10.112.1168 > 10.10.10.220.9100: Flags [.], cksum 0xa739 (correct), seq 1461:2921, ack 26, win 65511, length 1460
09:55:32.238671 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1168: Flags [R], cksum 0xd59e (correct), seq 3906183154, win 0, length 0
09:55:32.374780 IP (tos 0x0, ttl 128, id 885, offset 0, flags [DF], proto TCP (6), length 48)
    10.10.10.112.1169 > 10.10.10.220.9100: Flags [S], cksum 0xa3c4 (correct), seq 2693459283, win 65535, options [mss 1460,nop,nop,sackOK], length 0
09:55:32.374818 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 48)
    10.10.10.220.9100 > 10.10.10.112.1169: Flags [S.], cksum 0x64f2 (correct), seq 2590084495, ack 2693459284, win 5840, options [mss 1460,nop,nop,sackOK], length 0
09:55:32.375781 IP (tos 0x0, ttl 128, id 886, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.112.1169 > 10.10.10.220.9100: Flags [.], cksum 0xa886 (correct), seq 1, ack 1, win 65535, length 0
09:55:32.379265 IP (tos 0x0, ttl 64, id 64186, offset 0, flags [DF], proto TCP (6), length 64)
    10.10.10.220.9100 > 10.10.10.112.1169: Flags [P.], cksum 0xd37d (correct), seq 1:25, ack 1, win 5840, length 24
09:55:32.379504 IP (tos 0x0, ttl 64, id 64187, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1169: Flags [F.], cksum 0x919d (correct), seq 25, ack 1, win 5840, length 0
09:55:32.380841 IP (tos 0x0, ttl 128, id 887, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.112.1169 > 10.10.10.220.9100: Flags [.], cksum 0xa885 (correct), seq 1, ack 26, win 65511, length 0
09:55:32.515189 IP (tos 0x0, ttl 128, id 888, offset 0, flags [DF], proto TCP (6), length 1500)
    10.10.10.112.1169 > 10.10.10.220.9100: Flags [.], cksum 0xdba2 (correct), seq 1:1461, ack 26, win 65511, length 1460
09:55:32.515227 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1169: Flags [R], cksum 0x3659 (correct), seq 2590084521, win 0, length 0
09:55:32.515566 IP (tos 0x0, ttl 128, id 889, offset 0, flags [DF], proto TCP (6), length 1500)
    10.10.10.112.1169 > 10.10.10.220.9100: Flags [.], cksum 0xf1be (correct), seq 1461:2921, ack 26, win 65511, length 1460
09:55:32.515604 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1169: Flags [R], cksum 0x3659 (correct), seq 2590084521, win 0, length 0
09:55:32.706645 IP (tos 0x0, ttl 128, id 890, offset 0, flags [DF], proto TCP (6), length 48)
    10.10.10.112.1170 > 10.10.10.220.9100: Flags [S], cksum 0x4a5f (correct), seq 1090430532, win 65535, options [mss 1460,nop,nop,sackOK], length 0
09:55:32.706683 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 48)
    10.10.10.220.9100 > 10.10.10.112.1170: Flags [S.], cksum 0x896c (correct), seq 3668365162, ack 1090430533, win 5840, options [mss 1460,nop,nop,sackOK], length 0
09:55:32.707136 IP (tos 0x0, ttl 128, id 891, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.112.1170 > 10.10.10.220.9100: Flags [.], cksum 0xcd00 (correct), seq 1, ack 1, win 65535, length 0
09:55:32.710614 IP (tos 0x0, ttl 64, id 47126, offset 0, flags [DF], proto TCP (6), length 64)
    10.10.10.220.9100 > 10.10.10.112.1170: Flags [P.], cksum 0xf7f7 (correct), seq 1:25, ack 1, win 5840, length 24
09:55:32.710852 IP (tos 0x0, ttl 64, id 47127, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1170: Flags [F.], cksum 0xb617 (correct), seq 25, ack 1, win 5840, length 0
09:55:32.712293 IP (tos 0x0, ttl 128, id 892, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.112.1170 > 10.10.10.220.9100: Flags [.], cksum 0xccff (correct), seq 1, ack 26, win 65511, length 0
09:55:32.829818 IP (tos 0x0, ttl 128, id 893, offset 0, flags [DF], proto TCP (6), length 1500)
    10.10.10.112.1170 > 10.10.10.220.9100: Flags [.], cksum 0x001d (correct), seq 1:1461, ack 26, win 65511, length 1460
09:55:32.829866 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1170: Flags [R], cksum 0xb437 (correct), seq 3668365188, win 0, length 0
09:55:32.830095 IP (tos 0x0, ttl 128, id 894, offset 0, flags [DF], proto TCP (6), length 1500)
    10.10.10.112.1170 > 10.10.10.220.9100: Flags [.], cksum 0x1639 (correct), seq 1461:2921, ack 26, win 65511, length 1460
09:55:32.830129 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1170: Flags [R], cksum 0xb437 (correct), seq 3668365188, win 0, length 0
09:55:32.949970 IP (tos 0x0, ttl 128, id 895, offset 0, flags [DF], proto TCP (6), length 48)
    10.10.10.112.1171 > 10.10.10.220.9100: Flags [S], cksum 0xd689 (correct), seq 2979572094, win 65535, options [mss 1460,nop,nop,sackOK], length 0
09:55:32.950009 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 48)
    10.10.10.220.9100 > 10.10.10.112.1171: Flags [S.], cksum 0xee36 (correct), seq 1188399772, ack 2979572095, win 5840, options [mss 1460,nop,nop,sackOK], length 0
09:55:32.951361 IP (tos 0x0, ttl 128, id 896, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.112.1171 > 10.10.10.220.9100: Flags [.], cksum 0x31cb (correct), seq 1, ack 1, win 65535, length 0
09:55:32.954781 IP (tos 0x0, ttl 64, id 64807, offset 0, flags [DF], proto TCP (6), length 64)
    10.10.10.220.9100 > 10.10.10.112.1171: Flags [P.], cksum 0x5cc2 (correct), seq 1:25, ack 1, win 5840, length 24
09:55:32.955020 IP (tos 0x0, ttl 64, id 64808, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1171: Flags [F.], cksum 0x1ae2 (correct), seq 25, ack 1, win 5840, length 0
09:55:32.956005 IP (tos 0x0, ttl 128, id 897, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.112.1171 > 10.10.10.220.9100: Flags [.], cksum 0x31ca (correct), seq 1, ack 26, win 65511, length 0
09:55:33.064997 IP (tos 0x0, ttl 128, id 898, offset 0, flags [DF], proto TCP (6), length 1500)
    10.10.10.112.1171 > 10.10.10.220.9100: Flags [.], cksum 0x64e7 (correct), seq 1:1461, ack 26, win 65511, length 1460
09:55:33.065050 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1171: Flags [R], cksum 0x8cd6 (correct), seq 1188399798, win 0, length 0
09:55:33.065390 IP (tos 0x0, ttl 128, id 899, offset 0, flags [DF], proto TCP (6), length 1500)
    10.10.10.112.1171 > 10.10.10.220.9100: Flags [.], cksum 0x7b03 (correct), seq 1461:2921, ack 26, win 65511, length 1460
09:55:33.065426 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1171: Flags [R], cksum 0x8cd6 (correct), seq 1188399798, win 0, length 0
09:55:33.200926 IP (tos 0x0, ttl 128, id 900, offset 0, flags [DF], proto TCP (6), length 48)
    10.10.10.112.1172 > 10.10.10.220.9100: Flags [S], cksum 0xac5b (correct), seq 751720566, win 65535, options [mss 1460,nop,nop,sackOK], length 0
09:55:33.200963 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 48)
    10.10.10.220.9100 > 10.10.10.112.1172: Flags [S.], cksum 0xfdb5 (correct), seq 582120722, ack 751720567, win 5840, options [mss 1460,nop,nop,sackOK], length 0
09:55:33.202152 IP (tos 0x0, ttl 128, id 901, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.112.1172 > 10.10.10.220.9100: Flags [.], cksum 0x414a (correct), seq 1, ack 1, win 65535, length 0
09:55:33.205600 IP (tos 0x0, ttl 64, id 746, offset 0, flags [DF], proto TCP (6), length 64)
    10.10.10.220.9100 > 10.10.10.112.1172: Flags [P.], cksum 0x6c41 (correct), seq 1:25, ack 1, win 5840, length 24
09:55:33.205837 IP (tos 0x0, ttl 64, id 747, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1172: Flags [F.], cksum 0x2a61 (correct), seq 25, ack 1, win 5840, length 0
09:55:33.206348 IP (tos 0x0, ttl 128, id 902, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.112.1172 > 10.10.10.220.9100: Flags [.], cksum 0x4149 (correct), seq 1, ack 26, win 65511, length 0
09:55:33.315243 IP (tos 0x0, ttl 128, id 903, offset 0, flags [DF], proto TCP (6), length 1500)
    10.10.10.112.1172 > 10.10.10.220.9100: Flags [.], cksum 0x7466 (correct), seq 1:1461, ack 26, win 65511, length 1460
09:55:33.315302 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1172: Flags [R], cksum 0xc682 (correct), seq 582120748, win 0, length 0
09:55:33.316589 IP (tos 0x0, ttl 128, id 904, offset 0, flags [DF], proto TCP (6), length 1500)
    10.10.10.112.1172 > 10.10.10.220.9100: Flags [.], cksum 0x8a82 (correct), seq 1461:2921, ack 26, win 65511, length 1460
09:55:33.316626 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1172: Flags [R], cksum 0xc682 (correct), seq 582120748, win 0, length 0
09:55:33.450201 IP (tos 0x0, ttl 128, id 905, offset 0, flags [DF], proto TCP (6), length 48)
    10.10.10.112.1173 > 10.10.10.220.9100: Flags [S], cksum 0x2ec9 (correct), seq 3611241366, win 65535, options [mss 1460,nop,nop,sackOK], length 0
09:55:33.450238 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 48)
    10.10.10.220.9100 > 10.10.10.112.1173: Flags [S.], cksum 0x7559 (correct), seq 1649950774, ack 3611241367, win 5840, options [mss 1460,nop,nop,sackOK], length 0
09:55:33.451514 IP (tos 0x0, ttl 128, id 906, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.112.1173 > 10.10.10.220.9100: Flags [.], cksum 0xb8ed (correct), seq 1, ack 1, win 65535, length 0
09:55:33.454964 IP (tos 0x0, ttl 64, id 14336, offset 0, flags [DF], proto TCP (6), length 64)
    10.10.10.220.9100 > 10.10.10.112.1173: Flags [P.], cksum 0xe3e4 (correct), seq 1:25, ack 1, win 5840, length 24
09:55:33.455202 IP (tos 0x0, ttl 64, id 14337, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.220.9100 > 10.10.10.112.1173: Flags [F.], cksum 0xa204 (correct), seq 25, ack 1, win 5840, length 0
09:55:33.458114 IP (tos 0x0, ttl 128, id 907, offset 0, flags [DF], proto TCP (6), length 40)
    10.10.10.112.1173 > 10.10.10.220.9100: Flags [.], cksum 0xb8ec (correct), seq 1, ack 26, win 65511, length 0
 
Ovde:
http://www.math.technion.ac.il/Site/computing/docs/LPRng/LPRng-HOWTO-18.html

pishe:
RFC1179 explicitly states that all connections to port 515 must originate from ports 721-731. The reason for this restriction is due to the UNIX concept of reserved and privileged ports. By convention, ports in the range 1-1023 can only bound by processes whose Effective User ID (EUID) is 0 (root). This, ordinary users could not originate a connection from the reserved or privileged port range.
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Moji zahtevi za stampu dolaze sa portova u range-u od 1225 pa na dalje i prilichno su random.

Da li postoji mogucnost da port range sa koga dolaze zahtevi, svedem u granice iz texta gore navedenog ( 721-731 )
 
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