Re: [ilugd] ftp through proxy

2004-05-20 Thread Mohan Cheema
anshul makkar wrote:

i have configured proxy server through the use of
squid.
now when connect windows machine to do a ftp request
to an outside domain through proxy , it gives an error
snip

I presume that you are doing natting on your proxy machine
and ipforwarding is enabled.
if ipforwarding is not enabled do

echo 1  /proc/sys/net/ipv4/ip_forward

For your ftp to work just insmod these iptable modules and try

modprobe ip_conntrack_ftp
modprobe ip_nat_ftp

-- 
Regards,
Mohan Cheema


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Re: [ilugd] ftp through proxy

2004-05-20 Thread anshul makkar
which nat rules will be useful to enable ftp through
squid proxy .
I have tried
iptables -t nat -A POSTROUTING -o eth1 -p tcp --dport
21 -j MASQUERADE
iptables -A INPUT --dport 21 -j ACCEPT
iptables -t nat -A POSTROUTING -o eth1 -p tcp --sport
1000:6535 -j MASQUERADE
if i give iptables -t nat -A POSTROUTING -j MASQUERADE
, then clients in lan can connect to internet by
bypassing squid.
please help !!
--- Mohan Cheema [EMAIL PROTECTED] wrote:
 anshul makkar wrote:
 
 i have configured proxy server through the use of
 squid.
 now when connect windows machine to do a ftp request
 to an outside domain through proxy , it gives an
 error
 snip
 
 I presume that you are doing natting on your proxy
 machine
 and ipforwarding is enabled.
 if ipforwarding is not enabled do
 
 echo 1  /proc/sys/net/ipv4/ip_forward
 
 For your ftp to work just insmod these iptable
 modules and try
 
 modprobe ip_conntrack_ftp
 modprobe ip_nat_ftp
 
 -- 
 Regards,
 Mohan Cheema
 
 
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Fwd: Re: [ilugd] ftp through proxy

2004-05-20 Thread anshul makkar
I am using Transparent proxy . in Smart ftp setting
when I use proxy = http tunnel I get mesage of ports
blocked


Note: forwarded message attached.





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RE: [ilugd] ftp through proxy

2004-05-19 Thread Akshay Lamba
Use passive FTP from the ftp client.



-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
anshul makkar
Sent: Wednesday, May 19, 2004 4:43 PM
To: [EMAIL PROTECTED]
Subject: [ilugd] ftp through proxy

i have configured proxy server through the use of
squid.
now when connect windows machine to do a ftp request
to an outside domain through proxy , it gives an error

opening port 8196 
http/1.0 403 forbidden
If i enable this port 8196, then next time it gives
some other port . what's the problem ? and how to
solve it?




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RE: [ilugd] ftp through proxy

2004-05-19 Thread anshul makkar
I am using smart ftp. Even though I am using passive
ftp still the problem persists.
In smart ftp setup I use http proxy tunnel as other
types of proxy don't work.
even i am not able to make out whether this is a
problem of squid server or firewall setting.
  Please help

--- Akshay Lamba [EMAIL PROTECTED] wrote:
 Use passive FTP from the ftp client.
 
 
 
 -Original Message-
 From:

[EMAIL PROTECTED]

[mailto:[EMAIL PROTECTED]
 On Behalf Of
 anshul makkar
 Sent: Wednesday, May 19, 2004 4:43 PM
 To: [EMAIL PROTECTED]
 Subject: [ilugd] ftp through proxy
 
 i have configured proxy server through the use of
 squid.
 now when connect windows machine to do a ftp request
 to an outside domain through proxy , it gives an
 error
 
 opening port 8196 
 http/1.0 403 forbidden
 If i enable this port 8196, then next time it gives
 some other port . what's the problem ? and how to
 solve it?
 
 
   
   
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 Do you Yahoo!?
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 http://promo.yahoo.com/sbc/
 
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RE: [ilugd] ftp through proxy

2004-05-19 Thread anil bindal
Install frox on squid server and use passive ftp client.

rgds
On Thu, 2004-05-20 at 11:00, anshul makkar wrote:
 I am using smart ftp. Even though I am using passive
 ftp still the problem persists.
 In smart ftp setup I use http proxy tunnel as other
 types of proxy don't work.
 even i am not able to make out whether this is a
 problem of squid server or firewall setting.
   Please help
 
 --- Akshay Lamba [EMAIL PROTECTED] wrote:
  Use passive FTP from the ftp client.
  
  
  
  -Original Message-
  From:
 
 [EMAIL PROTECTED]
 
 [mailto:[EMAIL PROTECTED]
  On Behalf Of
  anshul makkar
  Sent: Wednesday, May 19, 2004 4:43 PM
  To: [EMAIL PROTECTED]
  Subject: [ilugd] ftp through proxy
  
  i have configured proxy server through the use of
  squid.
  now when connect windows machine to do a ftp request
  to an outside domain through proxy , it gives an
  error
  
  opening port 8196 
  http/1.0 403 forbidden
  If i enable this port 8196, then next time it gives
  some other port . what's the problem ? and how to
  solve it?
  
  
  
  
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  SBC Yahoo! - Internet access at a great low price.
  http://promo.yahoo.com/sbc/
  
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Re: [ilugd] ftp through proxy

2004-05-19 Thread vivek
On Wed, 2004-05-19 at 04:13 -0700, anshul makkar wrote:
 i have configured proxy server through the use of
 squid.
 now when connect windows machine to do a ftp request
 to an outside domain through proxy , it gives an error

squid is a HTTP proxy and not FTP proxy. to proxy ftp requests, yu'll
need to install either a ftp proxy (e.g. frox) or use NAT (preferably
through iptables)

 opening port 8196 
 http/1.0 403 forbidden
 If i enable this port 8196, then next time it gives
 some other port . what's the problem ? and how to
 solve it?

it seems as if incoming connections are now allowed to your machine.
afaik, enabling INPUT connections for state ESTABLISHED and RELATED
should solve the problem
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