Re: ssh & select() problem on 5.3

From: Barney Wolff (barney_at_databus.com)
Date: 11/28/04

  • Next message: Alin-Adrian Anton: "Re: ssh & select() problem on 5.3" 
    Date: Sun, 28 Nov 2004 13:08:43 -0500
To: Claudiu Dragalia-Paraipan <dr.clau@gmail.com>

    On Sun, Nov 28, 2004 at 06:43:47PM +0200, Claudiu Dragalia-Paraipan wrote:
    >
    > Since the problem occurs only when I connect to the firewall or to a
    > server behind it, I started to suspect a hardware failure. Could a
    > network card cause such problems ?
    > The firewall is running on FreeBSD 5.2.1 with PF+ALTQ, and I can observe
    > the same behaviour: dmesg locks ssh connection. I have test this with PF
    > disabled, and the problem still occurs, so I can eliminate PF as a problem.

    Perhaps an MTU problem, with the ICMP "fragmentation needed but DF set"
    being blocked by the firewall? It would only show up when the server
    has enough to send to fill a packet. 

    -- 
Barney Wolff         http://www.databus.com/bwresume.pdf
I'm available by contract or FT, in the NYC metro area or via the 'Net.
_______________________________________________
freebsd-current@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-current
To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
  • Next message: Alin-Adrian Anton: "Re: ssh & select() problem on 5.3"

    Relevant Pages

    • Re: CEICW fails at firewall config
      ... Do you or do you not have ISA 2000 or ISA 2004 installed on the SBS server? ... Do you have 2 NICs in the SBS? ... CEICW fails on firewall configuration every time. ... >>> Call to Creating the protected networks access rule returned ok. ...
      (microsoft.public.windows.server.sbs)
    • Re: Recycler security issues on IIS server
      ... > latest upates to the server. ... > like to see the server put behind our firewall, ... other software, install all patches, IISlockdown, URLscan, use the correct ... the procedures you follow may vary depending on your security needs. ...
      (microsoft.public.inetserver.iis.security)
    • Re: ISA SERVER NOT STARTING
      ... I delete the nat/basic firewall and stop and started the RRAS an tried to ... There were no critical events in the DNS Server Log in the last 24 hours. ... An error occurred during logon ... Caller User Name: - ...
      (microsoft.public.windows.server.sbs)
    • Re: For Microsoft Partners and Customers Who Cant Download or Access
      ... to reconfigure the firewall, but to use a static IP on your client ... and to make sure that the DNS server entries on the client are ... Microsoft for msdn2.microsoft.com. ... use a static IP and set the DNS server addresses to the DNS ...
      (microsoft.public.dotnet.general)
    • RE: Is this as bad as it seems?
      ... The network being protected by the router or firewall is still vulnerable to ... > circumvented - the administrator has explicitly allowed HTTP traffic on ... this exploit has the effect of allowing the attacker to send *INBOUND* HTTP ... The HTTP server (located on the internal network or anywhere else that is ...
      (Security-Basics)