Re: Detecting a internet connection
Thanks to all who answered,
-----Original Message-----
From: Hawke <mdeland at NWINFO.NET>
To: EUPHORIA at LISTSERV.MUOHIO.EDU <EUPHORIA at LISTSERV.MUOHIO.EDU>
Date: Sunday, August 02, 1998 9:22 PM
Subject: Re: Detecting a internet connection
>>Does anyone how how to detect if a internet connection has been
>established via a dial-up? How do you detect if it has been >disconnected?
>>Greg Harris
>>jeffery replied win95 autodetects......
True, mine does the same thing. But it tried to dail out when I don't want
it too. ICQ has a net detection feature so that it can be loaded up when
Windows starts, but it doesn't try to connect to the server unless a dail-up
session is present.
>i'm not so sure that would be always reliable...
>if it is reliable, cool...
>if not, i may have another solution...
>ping.exe
>it comes default on most win95 installs, just like
>telnet.exe....
>you could use system() combined with ping, pipe it
>to an output file, and dissect the output file looking
>for "destination not reachable"... what to ping tho?
>the users Internet Service Provider... if that doesn't
>ping then you can pretty much assume they -arent- online.
>at first i was thinking about pinging some 'big' place
>that is -ahem- "always" working...no such place...
>the ISP is almost goof proof tho...
>here's the catch:
>proxies...
>myself? i'm on a proxy thru another machine and then onto
>the net, so ping doesnt do anything but ping the proxy
>which may or may not be online... cant (so far) break
>out of the proxy to "ping-thru" to the real host i want
>to ping... and since *I* am the network administrator, :)
>and me and myself have already talked about the proxy issue,
>there is so far no solution... now the proxy machine can
>ping anywhere it wants... so if i need pinging, i ask my
>wife (the system adminstrator here) :) to ping from her machine
>and that solves that without my catching migraines trying
>to fix something here that really doesnt need fixing...
>hope this helps--Hawke'
Thanks. Where I work in my mundane job, I can't get out of the firewall but
I can resolve hostnames.
You can check the IP address (should be 0.0.0.0) if not connected, but on a
network I have a IP address. So that blows that one. However if the IP
address is 0.0.0.0 it should reflect a dialup user right?
Thanks for the help.
Greg Harris
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