Re: How to limit maximum number of TCP connections

2012-06-29 Thread Patrick O'Callaghan
On Fri, 2012-06-29 at 12:37 +0800, Ed Greshko wrote: > > All this is going to achieve is breakage. It'd denial-of-service > some > > clients that are actually trying to work, perhaps even DOS something > > that's central to all the clients, and put the whole network into > > failure, in one go. >

Re: How to limit maximum number of TCP connections

2012-06-28 Thread Ed Greshko
On 06/29/2012 12:32 PM, Tim wrote: > On Thu, 2012-06-28 at 09:21 -0700, Rick Stevens wrote: >> I agree the OP's client has got a weird idea as to limiting access, >> but perhaps they feel their uplink is too small to handle more >> connections. There is a lot of education that's required here with

Re: How to limit maximum number of TCP connections

2012-06-28 Thread Tim
On Thu, 2012-06-28 at 09:21 -0700, Rick Stevens wrote: > I agree the OP's client has got a weird idea as to limiting access, > but perhaps they feel their uplink is too small to handle more > connections. There is a lot of education that's required here with the > client. But that's never going to

Re: How to limit maximum number of TCP connections

2012-06-28 Thread Eddie G.O'Connor Jr-I
On 06/28/2012 02:06 AM, Ed Greshko wrote: On 06/28/2012 02:02 PM, Ed Greshko wrote: On 06/28/2012 01:27 PM, Jatin K wrote: well. suppose I've 5 clients in my office ( say A,B, C, D, E ) and a linux box which is working as a router ( gateway ), I want to allow only 4 concurrent pcs to ac

Re: How to limit maximum number of TCP connections

2012-06-28 Thread Rick Stevens
On 06/28/2012 04:34 AM, Ian Malone wrote: On 27 June 2012 07:57, Jatin K wrote: Dear All I'm on FC 15 which is acting as a router for Cable Internet connection for 145 PC on the LAN, which works fine... But there is one question in my mind, How do I limit the maximum numbers of concurrent conn

Re: How to limit maximum number of TCP connections

2012-06-28 Thread Mateusz Marzantowicz
On 27.06.2012 08:57, Jatin K wrote: > Dear All > > I'm on FC 15 which is acting as a router for Cable Internet connection > for 145 PC on the LAN, which works fine... But there is one question in > my mind, How do I limit the maximum numbers of concurrent connections to > router. i.e. if I want to

Re: How to limit maximum number of TCP connections

2012-06-28 Thread Reindl Harald
Am 28.06.2012 08:27, schrieb Jatin K: >> Seriously? > yes, its my client's requirement .. I can understand its not the way to > go > but he pays me for this ... I'm a service provider .. I have to do what they > said and want to do there is really a differece between service probi

Re: How to limit maximum number of TCP connections

2012-06-28 Thread Marko Vojinovic
On Thursday, 28. June 2012. 1.27.10 jdow wrote: > On 2012/06/28 01:24, Jatin K wrote: > > On 06/28/2012 01:33 PM, jdow wrote: > >> On 2012/06/27 23:27, Jatin K wrote: > >>> On 06/28/2012 11:32 AM, Ed Greshko wrote: > On 06/28/2012 01:27 PM, Jatin K wrote: > > well. suppose I've 5 clien

Re: How to limit maximum number of TCP connections

2012-06-28 Thread Ed Greshko
Hakan Koseoglu wrote: >Doesn't have to be all protocols. The original request only specifies >"internet usage", these days it equals to web usage. It is quite >common to have companies to limit web access with transparent proxies >and a radius server. I can imagine (but not give concrete examples

Re: How to limit maximum number of TCP connections

2012-06-28 Thread Ian Malone
On 27 June 2012 07:57, Jatin K wrote: > Dear All > > I'm on FC 15 which is acting as a router for Cable Internet connection > for 145 PC on the LAN, which works fine... But there is one question in > my mind, How do I limit the maximum numbers of concurrent connections to > router. i.e. if I want

Re: How to limit maximum number of TCP connections

2012-06-28 Thread Hakan Koseoglu
On 28 June 2012 11:29, Ed Greshko wrote: > What proxy would you recommend?  I can't think of one that would proxy *all* > protocols.  That's why I suggested the pptp connection.  Seems a bit more > simple to > set upand has the same drawbacks as the earthlink dialup connection > limiter.  :-

Re: How to limit maximum number of TCP connections

2012-06-28 Thread Ed Greshko
On 06/28/2012 04:19 PM, jdow wrote: > About the only semi-feasible means of doing this might be to setup a > virtual lan through a proxy with a limited number of concurrent logins > permitted. What proxy would you recommend? I can't think of one that would proxy *all* protocols. That's why I sug

Re: How to limit maximum number of TCP connections

2012-06-28 Thread Jatin K
On 06/28/2012 01:49 PM, jdow wrote: On 2012/06/28 00:02, Jatin K wrote: On 06/28/2012 12:11 PM, Joe Zeff wrote: On 06/27/2012 11:27 PM, Jatin K wrote: how can you prove its wrong ... they need this kind of configurations, and my duty is to provide the solutions what they need if its possi

Re: How to limit maximum number of TCP connections

2012-06-28 Thread jdow
On 2012/06/28 01:24, Jatin K wrote: On 06/28/2012 01:33 PM, jdow wrote: On 2012/06/27 23:27, Jatin K wrote: On 06/28/2012 11:32 AM, Ed Greshko wrote: On 06/28/2012 01:27 PM, Jatin K wrote: well. suppose I've 5 clients in my office ( say A,B, C, D, E ) and a linux box which is working as a

Re: How to limit maximum number of TCP connections

2012-06-28 Thread Jatin K
On 06/28/2012 01:33 PM, jdow wrote: On 2012/06/27 23:27, Jatin K wrote: On 06/28/2012 11:32 AM, Ed Greshko wrote: On 06/28/2012 01:27 PM, Jatin K wrote: well. suppose I've 5 clients in my office ( say A,B, C, D, E ) and a linux box which is working as a router ( gateway ), I want to allo

Re: How to limit maximum number of TCP connections

2012-06-28 Thread jdow
On 2012/06/28 00:59, Jatin K wrote: On 06/28/2012 01:17 PM, jdow wrote: On 2012/06/27 23:02, Ed Greshko wrote: On 06/28/2012 01:27 PM, Jatin K wrote: Is he trying to establish some traffic management or a means of assuring at least one person is bored enough that she'll take care of the comp

Re: How to limit maximum number of TCP connections

2012-06-28 Thread jdow
On 2012/06/28 00:02, Jatin K wrote: On 06/28/2012 12:11 PM, Joe Zeff wrote: On 06/27/2012 11:27 PM, Jatin K wrote: how can you prove its wrong ... they need this kind of configurations, and my duty is to provide the solutions what they need if its possible I don't know the solutio

RE: How to limit maximum number of TCP connections

2012-06-28 Thread J.Witvliet
-Original Message- From: users-boun...@lists.fedoraproject.org [mailto:users-boun...@lists.fedoraproject.org] On Behalf Of Jatin K Sent: Thursday, June 28, 2012 10:00 AM To: Community support for Fedora users Subject: Re: How to limit maximum number of TCP connections On 06/28/2012 01

Re: How to limit maximum number of TCP connections

2012-06-28 Thread jdow
On 2012/06/27 23:27, Jatin K wrote: On 06/28/2012 11:32 AM, Ed Greshko wrote: On 06/28/2012 01:27 PM, Jatin K wrote: well. suppose I've 5 clients in my office ( say A,B, C, D, E ) and a linux box which is working as a router ( gateway ), I want to allow only 4 concurrent pcs to access the

Re: How to limit maximum number of TCP connections

2012-06-28 Thread Jatin K
On 06/28/2012 01:17 PM, jdow wrote: On 2012/06/27 23:02, Ed Greshko wrote: On 06/28/2012 01:27 PM, Jatin K wrote: Is he trying to establish some traffic management or a means of assuring at least one person is bored enough that she'll take care of the company's business while the men are st

Re: How to limit maximum number of TCP connections

2012-06-28 Thread jdow
On 2012/06/27 23:02, Ed Greshko wrote: On 06/28/2012 01:27 PM, Jatin K wrote: well. suppose I've 5 clients in my office ( say A,B, C, D, E ) and a linux box which is working as a router ( gateway ), I want to allow only 4 concurrent pcs to access the Internet, say if A,B,C,D is using inte

Re: How to limit maximum number of TCP connections

2012-06-28 Thread Jatin K
On 06/28/2012 12:11 PM, Joe Zeff wrote: On 06/27/2012 11:27 PM, Jatin K wrote: how can you prove its wrong ... they need this kind of configurations, and my duty is to provide the solutions what they need if its possible I don't know the solution/configuration requirement to fulfil

Re: How to limit maximum number of TCP connections

2012-06-27 Thread Joe Zeff
On 06/27/2012 11:27 PM, Jatin K wrote: how can you prove its wrong ... they need this kind of configurations, and my duty is to provide the solutions what they need if its possible I don't know the solution/configuration requirement to fulfill their desire, thats why I'm asking the so

Re: How to limit maximum number of TCP connections

2012-06-27 Thread Ed Greshko
On 06/28/2012 02:27 PM, Jatin K wrote: > yes, its my client's requirement .. I can understand its not the way to > go > but he pays me for this ... I'm a service provider .. I have to do what > they > said and want to do > >> I think you need to state the problem you are trying to solve

Re: How to limit maximum number of TCP connections

2012-06-27 Thread Jatin K
On 06/28/2012 11:32 AM, Ed Greshko wrote: On 06/28/2012 01:27 PM, Jatin K wrote: well. suppose I've 5 clients in my office ( say A,B, C, D, E ) and a linux box which is working as a router ( gateway ), I want to allow only 4 concurrent pcs to access the Internet, say if A,B,C,D is using i

Re: How to limit maximum number of TCP connections

2012-06-27 Thread Ed Greshko
On 06/28/2012 02:02 PM, Ed Greshko wrote: > On 06/28/2012 01:27 PM, Jatin K wrote: >> well. suppose I've 5 clients in my office ( say A,B, C, D, E ) and a >> linux box >> which is working as a router ( gateway ), I want to allow only 4 concurrent >> pcs to >> access the Internet, say if A,B,

Re: How to limit maximum number of TCP connections

2012-06-27 Thread Ed Greshko
On 06/28/2012 01:27 PM, Jatin K wrote: > well. suppose I've 5 clients in my office ( say A,B, C, D, E ) and a > linux box > which is working as a router ( gateway ), I want to allow only 4 concurrent > pcs to > access the Internet, say if A,B,C,D is using internet then fifth client E can >

Re: How to limit maximum number of TCP connections

2012-06-27 Thread Jatin K
On 06/27/2012 07:43 PM, Bruno Wolff III wrote: On Wed, Jun 27, 2012 at 15:39:47 +0200, Reindl Harald wrote: ouch - you are missing network basics at all I think it is also an issue of what he is really trying to do. Other than an experiment it really doesn't make sense to only allow conn

Re: How to limit maximum number of TCP connections

2012-06-27 Thread Bruno Wolff III
On Wed, Jun 27, 2012 at 15:39:47 +0200, Reindl Harald wrote: ouch - you are missing network basics at all I think it is also an issue of what he is really trying to do. Other than an experiment it really doesn't make sense to only allow connections from only 90 of 145 PCs to outside of th

Re: How to limit maximum number of TCP connections

2012-06-27 Thread Reindl Harald
Am 27.06.2012 11:34, schrieb Jatin K: > On 06/27/2012 02:14 PM, Roberto Ragusa wrote: >> On 06/27/2012 08:57 AM, Jatin K wrote: >> Your requirement is not clearly described. >> The PCs do not do "connections" to the router, they do connections >> to the outside world, the router is just moving pa

Re: How to limit maximum number of TCP connections

2012-06-27 Thread Raymond Pittigher
You can make it a proxy using squid or add another ethernet adapter and separate the networks into allow and deny On 06/27/2012 05:34 AM, Jatin K wrote: On 06/27/2012 02:14 PM, Roberto Ragusa wrote: On 06/27/2012 08:57 AM, Jatin K wrote: Your requirement is not clearly described. The PCs do no

Re: How to limit maximum number of TCP connections

2012-06-27 Thread Jatin K
On 06/27/2012 02:14 PM, Roberto Ragusa wrote: On 06/27/2012 08:57 AM, Jatin K wrote: Your requirement is not clearly described. The PCs do not do "connections" to the router, they do connections to the outside world, the router is just moving packets for them. "Number of concurrent connections" a

Re: How to limit maximum number of TCP connections

2012-06-27 Thread Roberto Ragusa
On 06/27/2012 08:57 AM, Jatin K wrote: > Dear All > > I'm on FC 15 which is acting as a router for Cable Internet connection > for 145 PC on the LAN, which works fine... But there is one question in > my mind, How do I limit the maximum numbers of concurrent connections to > router. i.e. if I want

How to limit maximum number of TCP connections

2012-06-26 Thread Jatin K
Dear All I'm on FC 15 which is acting as a router for Cable Internet connection for 145 PC on the LAN, which works fine... But there is one question in my mind, How do I limit the maximum numbers of concurrent connections to router. i.e. if I want to allow only 90 concurrent connection to the rou