Salut,
 Mi-am pus si eu promblema de limitare a traficului pt sendmail mai
demult, si am ajuns la concluzia ca CBQ iti face tot ce vrei in privinta
asta. Chestia e ca trebuie pus pe masina care directioneaza packetele
smtp, ca omul sa stie cu-i ii trebe limitare de transfer si cui nu.
  Eu folosesc CBQ (shapecfg-2.2.12-2), si imi pot seta de pe gateway orice
rata de transfer pt orice port al unui IP ale carui packete trec prin
gateway. Deci read CBQ documentation. :)
 BTW, ca sa mearga  CBQu' mai sunt niste chestii de bagat in kernel 

Networking options ->QoS and/or fair queueing->

[*] QoS and/or fair queueing
<M> CBQ packet scheduler
<M> CSZ packet scheduler
<M> The simplest PRIO pseudoscheduler
<M> RED queue
<M> SFQ queue
<M> TEQL queue 
<M> TBF queue
[*] QoS support
[*] Rate estimator 
[*] Packet classifier API
<M> Routing table based classifier         
<M> Firewall based classifier
<M> U32 classifier 
<M> Special RSVP classifier
<M> Special RSVP classifier for IPv6           
[*] Ingres traffic policing 
         
  Have a lot of fun,

PS: CU CBQ, pus pe un gateway, ti-ai putea limita orice din moment ce
lucreaza cu source port si destination port/IP. 
                                                        Ionutz.    
                                        
                        

---------------------------------------------------------------  
 Murgoci Ionut - SysAdm, Computer HighSchool "Gr. Moisil"     
City: IASI| Country: Romania| E-mail:  [EMAIL PROTECTED]           
PS: "Imagination is the only weapon in the war against reality."



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