3744. [experimental] SIT: send and process Source Identity Tokens
(which are similar to DNS Cookies by Donald Eastlake)
and are designed to help clients detect off path
spoofed responses and for servers to detect legitimate
clients.
SIT use a experimental EDNS option code (65001).
SIT can be enabled via --enable-developer or
--enable-sit. It is on by default in Windows.
RRL processing as been updated to know about SIT with
legitimate clients not being rate limited. [RT #35389]
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@@ -2081,7 +2081,7 @@ echo server 10.53.0.3 5300
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echo update add fail.nosign.example 300 in txt "reject me"
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echo send
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) | $NSUPDATE > /dev/null 2>&1 && ret=1
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$DIG +noall +answer +dnssec -p 5300 fail.nosign.example txt @10.53.0.3 \
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$DIG +tcp +noall +answer +dnssec -p 5300 fail.nosign.example txt @10.53.0.3 \
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> dig.out.ns3.test$n 2>&1
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[ -s dig.out.ns3.test$n ] && ret=1
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n=`expr $n + 1`
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