Re: Ping and general network weirdness

From: Christopher Black (cblack_at_securecrossing.com)
Date: 06/30/05

  • Next message: Chuck Swiger: "Re: [FYI] QT4 licensing looks very bad for *BSD"
    To: Phil Cooper <sendphilmail@gmail.com>
    Date: Wed, 29 Jun 2005 20:42:22 -0400
    
    
    

    XP can offer all the DNS it is aware of, but unless you updated a DNS
    server somewhere with fragile->192.168.1.204, it can't resolve. You
    have to do more than setting a hostname to make it resolve on the
    network. If you are obtaining the IP address on fragile dynamically
    anyway (via DHCP), you are going to have trouble keeping any DNS or host
    files up to date without getting into more complicated things like DHCP
    reservations or dyndns.

    If you haven't explicitly set fragile->192.168.1.204 in a DNS server, it
    won't resolve from any other machine unless you put it in that machines
    host file as well (windows has one, but the path eludes me right now).

    On Thu, 2005-06-30 at 01:23 +0100, Phil Cooper wrote:
    > As far as I know, not knowing much, doesn't the win XP box which
    > connects to the net do all the DHCP and local DNS when XP's internet
    > connection sharing is turned on? Which it is. It's at 192.168.0.1,
    > which netstat is correctly reporting as the default gateway...
    >
    > So is it a case of working out how to get XP to update things?
    >
    >
    > On 30 Jun 2005, at 01:22, Christopher Black wrote:
    >
    > > It depends where fragile is mapped to the IP. If it's only in the
    > > hosts
    > > file, the other machines have no way of knowing, and will probably
    > > fail
    > > to resolve 'fragile' to an IP. If it's in DNS somewhere, you just
    > > need
    > > to correct the DNS record.
    >
    >
    >

    -- 
    Christopher Black
    Chief Security Engineer
    Secure Crossing
    22750 Woodward Suite 304 - Ferndale, MI 48220
    Tel (800) 761-4299 | Direct (248) 658-6120
    cblack@securecrossing.com | www.securecrossing.com
    
    



  • Next message: Chuck Swiger: "Re: [FYI] QT4 licensing looks very bad for *BSD"

    Relevant Pages

    • Re: How to enable communication between Two different lans (subnets)/ domains 2003 server based? Ass
      ... You will also almost certainly have DNS problems running a domain behind ... server domain, with a DHCP server running on one of the 2003 boxes. ... the "inner" subnet can see the original subnet and the Internet, ... The .227 machines can see the machines on the 192.168.1.0 subnet and the ...
      (microsoft.public.windows.server.networking)
    • Re: Help with Swing Migration
      ... you can't use your server name references consistently in the ... then the IP address for the Primary DNS Server ... >> the SBSnameDC, then the IP address I should enter into the Primary DNS ... >> DNS entries for the two machines. ...
      (microsoft.public.windows.server.sbs)
    • Re: Group Policy and DNS
      ... > is our only server so it is doing DNS, DHCP, AD, etc. ... I narrowed down to a DNS issue, ... > The machines that are getting the policies ping the server ...
      (microsoft.public.win2000.dns)
    • Re: DNS not authoritative for domain
      ... I am using an internal DHCP server which is also my DNS and WINS ... I have configured a PPTP VPN using ISA to test whether or not I had an issue ... >> I can correctly resolve short and FQDN inside my domain. ...
      (microsoft.public.windows.server.dns)
    • Re: Dns.GetHostEntry functionality
      ... server as well as a DNS server. ... It is only the device that cannot resolve the name. ... The router is connected to the cable modem to the internet, but the router has DHCP turned off. ... don't have a network server you normally will not have a DNS server. ...
      (microsoft.public.dotnet.framework.compactframework)