nanog mailing list archives
Re: Echo
From: Brad Knowles <brad.knowles () skynet be>
Date: Fri, 16 Aug 2002 23:46:51 +0200
At 9:43 PM +0200 2002/08/16, Karsten W. Rohrbach wrote:
- scoreboard: one mail from one source addres in one minute time window
Do you just queue messages from source addresses, so that you don't generate more than one echo in a minute, or do you throw away every message from that source address which was generated less than one minute ago?
Also, how do you handle echoes of echoes? For example, if I forged e-mail as being from echo () psi net and addressed that to echo () rohrbach de (or whatever), would this generate an endless loop?
What if I put "echo () psi net,echo () psi net" as the return address? Would you send back two copies?
Just curious. Thanks! -- Brad Knowles, <brad.knowles () skynet be> "They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." -Benjamin Franklin, Historical Review of Pennsylvania. GCS/IT d+(-) s:+(++)>: a C++(+++)$ UMBSHI++++$ P+>++ L+ !E W+++(--) N+ !w--- O- M++ V PS++(+++) PE- Y+(++) PGP>+++ t+(+++) 5++(+++) X++(+++) R+(+++) tv+(+++) b+(++++) DI+(++++) D+(++) G+(++++) e++>++++ h--- r---(+++)* z(+++)
Current thread:
- Re: Echo, (continued)
- Re: Echo Brad Knowles (Aug 16)
- Re: Echo Karsten W. Rohrbach (Aug 16)
- Re: Echo Brad Knowles (Aug 17)
- Re: Echo John R. Levine (Aug 17)