diff options
Diffstat (limited to 'docbook/wsug_src/wsug_advanced.adoc')
| -rw-r--r-- | docbook/wsug_src/wsug_advanced.adoc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/docbook/wsug_src/wsug_advanced.adoc b/docbook/wsug_src/wsug_advanced.adoc index dde90aedf6..82a514c4a5 100644 --- a/docbook/wsug_src/wsug_advanced.adoc +++ b/docbook/wsug_src/wsug_advanced.adoc @@ -532,7 +532,7 @@ direction and it’s less than the current acknowledgment number. Set when all of the following are true: * The segment size is zero. -* The window size is non-zero and hasn’t changed. +* The window size is non-zero and hasn’t changed, or there is valid SACK data. * The next expected sequence number and last-seen acknowledgment number are non-zero (i.e., the connection has been established). * SYN, FIN, and RST are not set. @@ -644,7 +644,7 @@ reverse direction. Set when the all of the following are true: * The segment size is zero. -* The window size is non-zero and not equal to the last-seen window size. +* The window size is non-zero and not equal to the last-seen window size, and there is no valid SACK data. * The sequence number is equal to the next expected sequence number. * The acknowledgment number is equal to the last-seen acknowledgment number, * or to the next expected sequence number when answering to a ZeroWindowProbe. |