troubleshooting Question
adverse Impact of disabling Tcp_timestamps in Xolaris
Planning to disable it for security reason but have heard F5 advise against it for F5 .
https://docs.oracle.com/cd/E19455-01/806-6779/6jfmsfr8a/index.html
Url above also has some indication
Q1:
What's "Commitment Level" unstable?
https://www.ietf.org/rfc/rfc1323.txt
Url above also indicates something:
...working with TCP's that do not implement the extensions. The timestamps are used for 2 distinct mechanisms:
RTTM (Round Trip Time Measurement) and PAWS (Protect Against Wrapped Sequences).
Q2:
Does any Web applications & Solaris 10 x86 VMs need/use RTTM & PAWS ?
Q3:
Can I safely say that disabling Tcp_timestamps is only a concern on congested networks
esp WAN but on Gigabit LAN, its performance impact is negligible?
https://docs.oracle.com/cd/E19455-01/806-6779/6jfmsfr8a/index.html
Url above also has some indication
Q1:
What's "Commitment Level" unstable?
https://www.ietf.org/rfc/rfc1323.txt
Url above also indicates something:
...working with TCP's that do not implement the extensions. The timestamps are used for 2 distinct mechanisms:
RTTM (Round Trip Time Measurement) and PAWS (Protect Against Wrapped Sequences).
Q2:
Does any Web applications & Solaris 10 x86 VMs need/use RTTM & PAWS ?
Q3:
Can I safely say that disabling Tcp_timestamps is only a concern on congested networks
esp WAN but on Gigabit LAN, its performance impact is negligible?
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