RE: bind :Can't assign requested address

  • From: "Thomas W Shinder" <tshinder@xxxxxxxxxxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Tue, 29 Apr 2003 06:29:12 -0500

Hi Christian,
 
Very good! Yes, we are here to learn -- I was hoping someone would tell me 
"Tom, don't you know that you can use two NICs on the same segment to do blah 
blah blah!" :-)
 
Thanks!
 
Tom
Thomas W Shinder
www.isaserver.org/shinder <http://www.isaserver.org/shinder>  
ISA Server and Beyond: http://tinyurl.com/1jq1
Configuring ISA Server: http://tinyurl.com/1llp <http://tinyurl.com/1llp> 

 

        -----Original Message-----
        From: Christian.Schramm@xxxxxxxxxxxxxx 
[mailto:Christian.Schramm@xxxxxxxxxxxxxx] 
        Sent: Tuesday, April 29, 2003 2:12 AM
        To: [ISAserver.org Discussion List]
        Subject: [isalist] RE: bind :Can't assign requested address
        
        
        http://www.ISAserver.org
        
        
        Hi Tom,
         
        Actually ISA was not meant to be a firewall in my case. Just the 
caching part was implemented. However the server has two NICs to have the 
possibility to upgrade to integrated mode at a later time :)
         
        OK, maybe you are right and this was a misconfiguration but hey! Aren't 
we all here to learn?? ;-))
         
        Thank you,
        Christian
         
         
        -----Ursprüngliche Nachricht-----
        Von: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxxxxxxxxx] 
        Gesendet: Montag, 28. April 2003 18:09
        An: [ISAserver.org Discussion List]
        Betreff: [isalist] RE: bind :Can't assign requested address
        
        

                http://www.ISAserver.org
                
                
                Hi Christian,
                 
                Why would a firewall have two interfaces on the same segment? 
Is your connection to the Internet OC4 or above? If so, check out GB on the 
internal interface.
                 
                HTH,
                Tom
                 
                Thomas W Shinder
                www.isaserver.org/shinder <http://www.isaserver.org/shinder>  
                ISA Server and Beyond: http://tinyurl.com/1jq1
                Configuring ISA Server: http://tinyurl.com/1llp 
<http://tinyurl.com/1llp> 
                
                 

                        -----Original Message-----
                        From: Christian.Schramm@xxxxxxxxxxxxxx 
[mailto:Christian.Schramm@xxxxxxxxxxxxxx] 
                        Sent: Monday, April 28, 2003 3:16 AM
                        To: [ISAserver.org Discussion List]
                        Subject: [isalist] RE: bind :Can't assign requested 
address
                        
                        
                        http://www.ISAserver.org
                        
                        
                        Well, I do not agree with you. It seems that when ISA 
has two legs in the same subnet this error may occur, too. And I think this is 
not a misconfiguration ;-))

                                -----Ursprüngliche Nachricht-----
                                Von: Thomas W Shinder 
[mailto:tshinder@xxxxxxxxxxxxxxxxxx] 
                                Gesendet: Samstag, 26. April 2003 18:18
                                An: [ISAserver.org Discussion List]
                                Betreff: [isalist] RE: bind :Can't assign 
requested address
                                
                                
                                http://www.ISAserver.org
                                
                                
                                Hi Christian,
                                 
                                Short version:
                                 
                                The ISA Server was misconfigured :)
                                 
                                Thanks!
                                Tom
                                 
                                 
                                Thomas W Shinder
                                www.isaserver.org/shinder 
<http://www.isaserver.org/shinder>  
                                ISA Server and Beyond: http://tinyurl.com/1jq1
                                Configuring ISA Server: http://tinyurl.com/1llp 
<http://tinyurl.com/1llp> 
                                
                                 

                                        -----Original Message-----
                                        From: Christian.Schramm@xxxxxxxxxxxxxx 
[mailto:Christian.Schramm@xxxxxxxxxxxxxx] 
                                        Sent: Friday, April 25, 2003 9:59 AM
                                        To: [ISAserver.org Discussion List]
                                        Subject: [isalist] RE: bind :Can't 
assign requested address
                                        
                                        
                                        http://www.ISAserver.org
                                        
                                        
                                        from 
http://forums.isaserver.org/ultimatebb.cgi?ubb=get_topic;f=7;t=000365 
<http://forums.isaserver.org/ultimatebb.cgi?ubb=get_topic;f=7;t=000365> :
                                         
                                        response from MS was ...
                                        
                                        <snip>
                                        Here are the details as to why the 
error occurs.
                                        
                                        
                                        
                                        2.08) bind: can't assign requested 
address
                                        When using FTP.EXE from Windows NT or 
Windows 95 clients, you may encounter this error. Normally, FTP should work 
properly with the WinSock Proxy service.
                                        
                                        FTP connects in the following manner:
                                        1. It creates a socket, and connects to 
the requested server. 
                                        2. It then calls getsockname() to get 
the interface that was used for the connection.
                                        3. It then calls bind() with the IP 
address that was retrieved by the getsockname() call.
                                        4. This bind() is the call that fails. 
The error message displayed corresponds to the WSAEADDRNOTAVAIL error code. 
                                        
                                        This can happen if the external 
interface of the proxy is in the LAT, thus it is considered by the proxy client 
to be internal. Since the local machine does not have an interface with the 
same IP as the external IP of the proxy, this call fails. Bottom line, make 
sure that the IP address of the external interface of the proxy is NOT in the 
LAT.
                                        
                                        
                                        Or use ftp -a
                                        </snip>
                                        
                                         
                                        Have a nice weekend...
                                         
                                         

                                        -----Ursprüngliche Nachricht-----
                                        Von: Christian.Schramm@xxxxxxxxxxxxxx 
[mailto:Christian.Schramm@xxxxxxxxxxxxxx] 
                                        Gesendet: Freitag, 25. April 2003 12:47
                                        An: [ISAserver.org Discussion List]
                                        Betreff: [isalist] RE: bind :Can't 
assign requested address
                                        
                                        
                                        http://www.ISAserver.org
                                        
                                        
                                        Hi...
                                         
                                        I had the same error on the dos command 
line ftp. try to call it with the -a parameter
                                         
                                        ftp -a ftp.server.com
                                         
                                         

                                        -----Ursprüngliche Nachricht-----
                                        Von: Pritam Pal 
[mailto:pritam@xxxxxxxx] 
                                        Gesendet: Freitag, 25. April 2003 06:50
                                        An: [ISAserver.org Discussion List]
                                        Betreff: [isalist] bind :Can't assign 
requested address
                                        
                                        
                                        http://www.ISAserver.org
                                        
                                        
                                        I am facing a problem where I can not 
use FTP on my client machines. I can log on but issuing any command gives the 
error "bind :Can't assign requested address". 
                                         
                                        Pritam Pal
                                         
                                        [PRITAM] C:\Documents and 
Settings\pal>ftp
                                        ftp> open 202.138.124.124
                                        Connected to 202.138.124.124.
                                        220 www Microsoft FTP Service (Version 
5.0).
                                        User (202.138.124.124:(none)): pal
                                        331 Password required for pal.
                                        Password:
                                        230 User pal logged in.
                                        ftp> dir
                                        > ftp: bind :Can't assign requested 
addres s 

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