-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi Adalbert,
My guess would be: socket = l:SO_RCVBUF=2048 socket = r:SO_SNDBUF=2048 Mike On 09.07.2015 11:53, wujot wrote: > I have a problem with transmission from LAN server, which use > another server on LAN with running stunnel, to pass encrypted data > to remote SSL clients if they are on very slow GPRS network. If > server in LAN starts to transfer big amount of data to such slow > remote client, stunnel is buffering data and slowly transmits them > to the GPRS client. TCP Window on connection from LAN server to > stunnel is big (64 - 131kB), and TCP Window on connection from > stunnel to slow client is small (about 5kB). And additionally > stunnel is buffering data. So, server is finishing transmission in > seconds, but in fact most of data are still in buffers of stunnel. > And it makes a timeout problem (server is waiting for the > confirmation from client if it received all data, but time between > last byte sent from server and confirmation from client could be > even several minutes). > > So, stunnel is working in "store and forward" model. Is it possible > to switch it to something like "cut through"? Or how to force > stunnel to more synchronized transmission between client and > server? > > Regards, > > Adalbert > > > > _______________________________________________ stunnel-users > mailing list [email protected] > https://www.stunnel.org/cgi-bin/mailman/listinfo/stunnel-users > -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJVnkpAAAoJEC78f/DUFuAU7YsP/1Ih+4CpKK0g+uAZ+hJxBrXl 1XzZ79hDQ1lE8ae/pWQu74Mddkx7ANw6g+1zO7FEHJKEtHv4hBcp0ez/FGF1pfPi vIU43rQHP4W7cO4rOCYvg3DtzEe29l0jDsVBJhYiIy6AVk6xQxR8+1nO6W2kzEYh jMxXqiDNgLu7tSRWEhZ3jdPuiKTLPd91K8618tFskxINLqD3km1Otg1wOkgQsM3W PyZRhQD6eTVHgAmK5XkgxnGOGdY2FSSN35Ey28devaAgV8nnJF2r6OLqOOj8qirE TaFok9v/vguWAuxjMbHPLSSDrHnBMBqpPrMSK02KdJa62pRdEJNbKme6V47L1tTG vrK2hYErR6u6tsac/S/VJycQNfdqvKmxqYeuICJBaKxUW7hZlx6piCKkeC3v+cf3 +DMDpqBL3n8oQ98TAQMrTnkNt/bdXrdz0N/mTMY2dP8Qk8KzgiCxyKl4syIQmCVR 8ChNF/IAWB27Aq/ldmVM9Y3dOHpuVOSPgXjwSoY9xCyWQTLM/7gsWM5gjJuso9qk 6lh+p+8QHSA/cHpMmpqh+xyTR/pEfLnYOyg+NmYzd468QMXuZ1SV1davrw5gQF9i rNlLHL5PPCrY87SC+g76v9meen9JwkBq76M43I21XhpfrC1fnDMxKPK4uVGeFlyt bAKmIPiSw7FZhDOzFKfb =yBNM -----END PGP SIGNATURE----- _______________________________________________ stunnel-users mailing list [email protected] https://www.stunnel.org/cgi-bin/mailman/listinfo/stunnel-users
