TCP/IP Gurus

[Iakwbos Triantafilloy]

Panayotis Tsiamis wrote:

> Exo apo ena sigekrimeno host to exeis minima
> sta logfiles mou:
>
> TCP: Treason uncloaked! Peer XXX.XXX.XXX.XXX:10805/XXX shrinks window 
> 2207195809:2207197189. Repaired.
> .
> .
> .
> TCP: Treason uncloaked! Peer XXX.XXX.XXX.XXX:10805/XXX shrinks window 
> 2207195809:2207197189. Repaired.
>
>
> Pistebo oti ofilete se kapio kako configuration firewall.
> (Pithanos den afinei ta ICMP packeta na perasoun)
>
> Exei sinantisei kapios idia katastasi kai an nai pia itan i aitia
> kai pos ti diorthose.
>
> PS: Don't answer with copy&paste parts from Stevens book
>
>

Kai btw, eriksa mia matia gia workarounds (paroti to prob einai sto 
remote end). By default paizei ena orio 2 leptwn gia na ginei retransmit 
kati se flow control condition. Apo kei kai pera mporeis na to anebaseis 
ayto ki allo (an kai den exei nohma, 2 lepta einai POLYS xronos se 
pc-time/blepe dog-years).

Ap oti koitaksa o kernoulas exei ena default cap pou orizetai sto 
TCP_RTO_MAX. Allakse to se kati megalytero, px 10 lepta. Tha proteina 
pantws na paikseis me kapoio packet sniffer opws to tcpdump gia na deis 
ti paizei pio kathara kai meta prateis analogws.


I.T.