Hi Jim, That has to do with the initial sequence number generation. We don’t exactly implement that algorithm but we do generate the initial sequence number randomly based on time.
Florin > On Dec 29, 2018, at 12:42 PM, Jim Thompson <j...@netgate.com> wrote: > > > Florian, > > Maybe he wants RFC 6528. > > Jim > >> On Dec 29, 2018, at 10:59 AM, Florin Coras <fcoras.li...@gmail.com> wrote: >> >> Hi Brayan, >> >> I’m not entirely sure I understand your question. Obviously, we have >> sequence validation in tcp as per rfc 793. For details, see >> tcp_segment_validate in tcp_input.c. As part of that function, we also check >> for paws as per rfc 1323/7323. >> >> Hope this helps, >> Florin >> >>> On Dec 29, 2018, at 5:29 AM, brayan ortega <brayan.ortega6...@gmail.com> >>> wrote: >>> >>> Dear VPP Folks, >>> >>> I would like to know about sequence number checking functionality. Is this >>> functionality implemented already? >>> 1- If yes: Guide me about that >>> 2- If no : Is there any plan for sequence number checking implementation? >>> it seems it is essential to prevent sequence number prediction attacks. >>> >>> Best Regards, >>> -=-=-=-=-=-=-=-=-=-=-=- >>> Links: You receive all messages sent to this group. >>> >>> View/Reply Online (#11795): https://lists.fd.io/g/vpp-dev/message/11795 >>> Mute This Topic: https://lists.fd.io/mt/28880091/675152 >>> Group Owner: vpp-dev+ow...@lists.fd.io >>> Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub [fcoras.li...@gmail.com] >>> -=-=-=-=-=-=-=-=-=-=-=- >> >> -=-=-=-=-=-=-=-=-=-=-=- >> Links: You receive all messages sent to this group. >> >> View/Reply Online (#11796): https://lists.fd.io/g/vpp-dev/message/11796 >> Mute This Topic: https://lists.fd.io/mt/28880091/675164 >> Group Owner: vpp-dev+ow...@lists.fd.io >> Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub [j...@netgate.com] >> -=-=-=-=-=-=-=-=-=-=-=-
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