Re: Strange Networking Problem on my ADSL-connected Home LAN

2005-08-19 Thread Geoffrey S. Mendelson
On Fri, Aug 19, 2005 at 08:49:04AM +1000, Amos Shapira wrote: I dunno where you live but many old in Tel-Aviv and surroundings don't have grounding at all (I first found this out from getting electrocuted from the D-frame of the serial port). Shocks like this often come from no grounding when

Re: Strange Networking Problem on my ADSL-connected Home LAN

2005-08-19 Thread Amos Shapira
On 8/19/05, Geoffrey S. Mendelson [EMAIL PROTECTED] wrote: On Fri, Aug 19, 2005 at 08:49:04AM +1000, Amos Shapira wrote: I dunno where you live but many old in Tel-Aviv and surroundings don't have grounding at all (I first found this out from getting electrocuted from the D-frame of the

Re: Strange Networking Problem on my ADSL-connected Home LAN

2005-08-19 Thread Peter
On Fri, 19 Aug 2005, Amos Shapira wrote: On 8/19/05, Peter [EMAIL PROTECTED] wrote: Check the grounding of your computer case and of the modem. I have seen cable installations that would input 5Vac into the cable ground from ground fault currents plus scary glitch voltages when A/C was

Re: Strange Networking Problem on my ADSL-connected Home LAN

2005-08-19 Thread Peter
On Fri, 19 Aug 2005, Amos Shapira wrote: It wasn't a one-time shock but a continues electric current felt any time I touched the serial port. Luckily my room in that apartment was across the wall from the kitchen, so I drilled a hole in the wall and connected the ground of the socket to the

Re: Strange Networking Problem on my ADSL-connected Home LAN

2005-08-19 Thread Geoffrey S. Mendelson
On Fri, Aug 19, 2005 at 05:47:25PM +1000, Amos Shapira wrote: It wasn't a one-time shock but a continues electric current felt any time I touched the serial port. Sounds like an MOV to me. Luckily my room in that apartment was across the wall from the kitchen, so I drilled a hole in the

Re: Strange Networking Problem on my ADSL-connected Home LAN

2005-08-19 Thread Amos Shapira
On 8/19/05, Peter [EMAIL PROTECTED] wrote: On Fri, 19 Aug 2005, Amos Shapira wrote: It wasn't a one-time shock but a continues electric current felt any time I touched the serial port. Luckily my room in that apartment was across the wall from the kitchen, so I drilled a hole in the

Re: Strange Networking Problem on my ADSL-connected Home LAN

2005-08-19 Thread Amos Shapira
On 8/19/05, Geoffrey S. Mendelson [EMAIL PROTECTED] wrote: On Fri, Aug 19, 2005 at 05:47:25PM +1000, Amos Shapira wrote: It wasn't a one-time shock but a continues electric current felt any time I touched the serial port. Sounds like an MOV to me. What's that? Luckily my room in

Re: Strange Networking Problem on my ADSL-connected Home LAN

2005-08-19 Thread Peter
On Fri, 19 Aug 2005, Amos Shapira wrote: The electricity code forbids this anyway. Does the electricity code has anything to say about compulsory grounding at homes? Yes it has but I have not read it. The GFI won't work if the ground is not ok. 'My' standard is to check between a local

SOLVED [was Re: Strange Networking Problem on my ADSL-connected Home LAN]

2005-08-19 Thread Shlomi Fish
for their advice. (and special thanks to Shachar Shemesh for reviewing the Ethereal logs). Regards, Shlomi Fish On Monday 15 August 2005 22:35, Shlomi Fish wrote: Hi good people! I have a strange networking problem on my ADSL-connected home LAN. My setup is as follows: I have an ECI ADSL

Re: Strange Networking Problem on my ADSL-connected Home LAN

2005-08-18 Thread Shlomi Fish
On Tuesday 16 August 2005 15:01, Shachar Shemesh wrote: Shachar Shemesh wrote: Shlomi Fish wrote: I've checked it on the desktop machine with both Win98 and Mandriva 2006 LE Linux - both exhibited the problem. I tried disabling all listening ports and other downloads on Linux - it didn't

Re: Strange Networking Problem on my ADSL-connected Home LAN

2005-08-18 Thread Peter
On Thu, 18 Aug 2005, Shlomi Fish wrote: Then again, it may be a faulty NIC, like Baruch pointer out. OK. I've already switched from one Ethernet card to the other here, because the previous one stopped functioning. Is it possible that my computer serially damages the Etherenet cards it is

Re: Strange Networking Problem on my ADSL-connected Home LAN

2005-08-18 Thread Amos Shapira
On 8/18/05, Shlomi Fish [EMAIL PROTECTED] wrote: OK. I've already switched from one Ethernet card to the other here, because the previous one stopped functioning. Is it possible that my computer serially damages the Etherenet cards it is using? :-( Also try to replace the cable itself. --Amos

Re: Strange Networking Problem on my ADSL-connected Home LAN

2005-08-18 Thread Amos Shapira
On 8/19/05, Peter [EMAIL PROTECTED] wrote: Check the grounding of your computer case and of the modem. I have seen cable installations that would input 5Vac into the cable ground from ground fault currents plus scary glitch voltages when A/C was switched on and off. I dunno where you live but

Re: Strange Networking Problem on my ADSL-connected Home LAN

2005-08-16 Thread Geoffrey S. Mendelson
On Tue, Aug 16, 2005 at 12:10:43PM +0300, Shlomi Fish wrote: In any case, I forgot to mention that I changed the MTU to both of these values on the Linux machine and it did not help. Also, according to this page: http://www.dslreports.com/tweaks/MTU The WinXP machine is configured to

Re: Strange Networking Problem on my ADSL-connected Home LAN

2005-08-16 Thread Baruch Even
Geoffrey S. Mendelson wrote: On Tue, Aug 16, 2005 at 12:10:43PM +0300, Shlomi Fish wrote: In any case, I forgot to mention that I changed the MTU to both of these values on the Linux machine and it did not help. Also, according to this page: http://www.dslreports.com/tweaks/MTU The WinXP

Re: Strange Networking Problem on my ADSL-connected Home LAN

2005-08-16 Thread Shachar Shemesh
Shachar Shemesh wrote: Shlomi Fish wrote: I've checked it on the desktop machine with both Win98 and Mandriva 2006 LE Linux - both exhibited the problem. I tried disabling all listening ports and other downloads on Linux - it didn't help. I tried checking for a rootkit on the Linux