Ignorant mass-media strikes again
Don't let your ISP cut you off How to fight back when your ISP keeps kicking you off.
by Carla Thorton
(IDG) -- PROBLEM: Your Internet service provider kicks you offline when you're in the middle of important work.
SOLUTION: Install an anti-timer utility, reconfigure your e-mail package, or choose a regional ISP.
I bet Ms. Thorton never heard that TCP can preserve idle connections when dial-up link is down. Yeah, dial-on-demand is such a hard thing to do! Am i paranoid, or is mass-media hell-bent on propaganda of antisocial behavior in the Internet? Or are they just really clueless? --vadim
I bet Ms. Thorton never heard that TCP can preserve idle connections when dial-up link is down. Yeah, dial-on-demand is such a hard thing to do!
Well, yes. But if you're on a dynamic IP, good luck at getting the answers to your packets when you call up and are assigned a new IP. Having your connection time out CAN be a pain. Mike -- Michael P. Lyle Security Architect Exodus Communications, Inc.
Is there equipment that, short of a fixed ip, tries to reassign the same ip back to the same user? Ie, puts the ip address in a fifo but pulls it out early if it's the same user calling back.
I bet Ms. Thorton never heard that TCP can preserve idle connections when dial-up link is down. Yeah, dial-on-demand is such a hard thing to do!
Well, yes. But if you're on a dynamic IP, good luck at getting the answers to your packets when you call up and are assigned a new IP.
Is there equipment that, short of a fixed ip, tries to reassign the same ip back to the same user? Ie, puts the ip address in a fifo but pulls it out early if it's the same user calling back.
(Lucent)Livingston Portmasters and other ComOS-based devices such as old USR Total Controls. Rubens Kuhl Jr.
DHCP should ALWAYS assign the same address to a requester. The request is always made for the same address. If that address is available, it is assigned. Assuming the address space assigned to DHCP is reasonable, you address should never change after a brief disconnection. R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman@es.net Phone: +1 510 486-8634
On Wed, 9 Dec 1998, Jon Zeeff wrote:
Is there equipment that, short of a fixed ip, tries to reassign the same ip back to the same user? Ie, puts the ip address in a fifo but pulls it out early if it's the same user calling back.
I was working on some radius code to do this. Bascically allocate everything out of a big ip pool and keep track of which user each IP was assigned to last, and if when they re-connected, the IP was still available, re-assign it to them. However, I quit working on it when I discovered the following...
I bet Ms. Thorton never heard that TCP can preserve idle connections when dial-up link is down. Yeah, dial-on-demand is such a hard thing to do!
This is great and wonderful, EXCEPT the microsoft stack WILL NOT keep a connection open across multiple "dialin sessions". This effectively breaks any desire to be semi-statically allocated. Microsoft's crappy stack strikes again.... - Forrest W. Christian (forrestc@imach.com) ---------------------------------------------------------------------- iMach, Ltd., P.O. Box 5749, Helena, MT 59604 http://www.imach.com Solutions for your high-tech problems. (406)-442-6648 ----------------------------------------------------------------------
On Wed, 9 Dec 1998, Jon Zeeff wrote:
Is there equipment that, short of a fixed ip, tries to reassign the same ip back to the same user? Ie, puts the ip address in a fifo but pulls it out early if it's the same user calling back.
When we started out years ago, every user got a static IP. That's since changed, but I've always thought a decent NAT between the dialup equipment and the net would be nice. The user would always get the same address back and could resume their session... I actually did the inverse at home for some time with IPFilter's NAT. I could have a bunch of term sessions on various boxes and resume all of them when the router/pc dialed back in after being dropped. I did have a static IP, but only one for about 5 machines... Charles
At 01:59 PM 12/9/98 -0800, Vadim Antonov wrote:
Don't let your ISP cut you off How to fight back when your ISP keeps kicking you off.
by Carla Thorton
(IDG) -- PROBLEM: Your Internet service provider kicks you offline when you're in the middle of important work.
SOLUTION: Install an anti-timer utility, reconfigure your e-mail package, or choose a regional ISP.
I bet Ms. Thorton never heard that TCP can preserve idle connections when dial-up link is down. Yeah, dial-on-demand is such a hard thing to do!
Am i paranoid, or is mass-media hell-bent on propaganda of antisocial behavior in the Internet?
Or are they just really clueless?
They may be clueless. They may be hell-bent on antisocial propaganda. But the fact of the matter is that some ISPs do actively kick people off (not just ppp idly dropping the line) when they are not doing stuff. Furthermore, AOL, which is sometimes considered an ISP (let's not get into that debate), kicks people off if they are idle for too long and _that_ causes all kinds of trouble because the AOL application throws fits if it can't get to the AOL servers.
participants (8)
-
Charles Sprickman -
Forrest W. Christian -
Frank Kastenholz -
jzeeff＠verio.net -
Kevin Oberman -
Michael P. Lyle -
Rubens Kuhl Jr. -
Vadim Antonov