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lug-bg: FTP Problem


  • Subject: lug-bg: FTP Problem
  • From: "Marian Popov" <mano@xxxxxxxxxxxxx>
  • Date: Fri, 29 Aug 2003 11:17:23 +0300

Zdraveite !
 
Ot 1 mesec imam edin stranen problem.
Znachi kym edin server Slackware 8.1 imam route-nati 32 ip-ta.
Do predi 1 mesec sichko si beshe ok no neshto stana i tezi klienti
deto sa sled servera ne mogat da dostignat ftp servera mi.
 
Mashinata ima 2 adresa edin na ednata karta, i edin na drugata.
Znachi pyrvia adres e 213.145.125.185 a vtoria koito e kym klientite
e 213.145.125.193.
 
 
09:54:31.174852 213.145.125.195.1068 > 213.145.125.4.21: S 2408660119:2408660119(0) win 64240 <mss 1460,nop,nop,nop,nop> (DF)
 
Tova go gledam s tcpdump kogato klienta s adres 213.145.125.195 se
opitva da se connect kym 213.145.125.4 kydeto e ftp-servera.
 
Interesnoto e che ako NAT-na negovoto IP kym 213.145.125.193 taka:
iptables -t nat -A POSTROUTING -s 213.145.125.195 -d 213.145.125.4 -j SNAT --to-source 213.145.125.193
ili taka
iptables -t nat -A POSTROUTING -s 213.145.125.195 -d 213.145.125.4 -j SNAT --to-source 213.145.125.185
vsichko zapochva da raboti.
 
No tova ne me ustroiva.
Pregledal sym vsichki firewall-i no nishto. Drugoto interesno e che ako sloja niakoi klientski address
na eth1 kato alias i si nat-na kym nego si bachka. Vlizam si v ftp-to ot klientskia address
no kogato tozi adres e sled mashinata deto e server ne bachka.
 
Niakvi idei ?
 
--
Marian Popov
mano@xxxxxxxxxxxxx.NOSPAM
System & Network Administrator
--


 

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