Pi-hole FTL v5.25 #1888
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Pi-hole FTL v5.25 #1888
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Sync master back into development
Signed-off-by: DL6ER <dl6er@dl6er.de>
Signed-off-by: DL6ER <dl6er@dl6er.de>
By default TCP connect takes minutes to fail when trying to connect a server which is not responding and for which the network layer doesn't generate HOSTUNREACH errors. This is doubled because having failed to connect in FASTOPEN mode, the code then tries again with a call to connect(). We set TCP_SYNCNT to 2, which make the timeout about 10 seconds. This in an unportable Linux feature, so it doesn't work on other platforms. No longer try connect() if sendmsg in fastopen mode fails with ETIMEDOUT or EHOSTUNREACH since the story will just be the same. Signed-off-by: DL6ER <dl6er@dl6er.de>
Signed-off-by: DL6ER <dl6er@dl6er.de>
Signed-off-by: DL6ER <dl6er@dl6er.de>
…dnsmasq history of the ~ last year, however, given the multitude of merge conflicts and the fact that this code will soon(ish) be replaced by development-v6 (where the history is 100% intact), this isn't much of an issue Signed-off-by: DL6ER <dl6er@dl6er.de>
Signed-off-by: DL6ER <dl6er@dl6er.de>
Thanks to Dominik Derigs for an earlier patch which inspired this. Signed-off-by: DL6ER <dl6er@dl6er.de>
Signed-off-by: DL6ER <dl6er@dl6er.de>
An attacker can create DNSSEC signed domains which need a lot of work to verfify. We limit the number of crypto operations to avoid DoS attacks by CPU exhaustion. Signed-off-by: DL6ER <dl6er@dl6er.de>
Signed-off-by: DL6ER <dl6er@dl6er.de>
Signed-off-by: DL6ER <dl6er@dl6er.de>
Signed-off-by: DL6ER <dl6er@dl6er.de>
Signed-off-by: DL6ER <dl6er@dl6er.de>
Signed-off-by: DL6ER <dl6er@dl6er.de>
Signed-off-by: DL6ER <dl6er@dl6er.de>
By calculating the hash of a DNSKEY once for each digest algo, we reduce the hashing work from (no. DS) x (no. DNSKEY) to (no. DNSKEY) x (no. distinct digests) The number of distinct digests can never be more than 255 and it's limited by which hashes we implement, so currently only 4. Signed-off-by: DL6ER <dl6er@dl6er.de>
Signed-off-by: DL6ER <dl6er@dl6er.de>
Signed-off-by: DL6ER <dl6er@dl6er.de>
Signed-off-by: DL6ER <dl6er@dl6er.de>
Signed-off-by: DL6ER <dl6er@dl6er.de>
Signed-off-by: DL6ER <dl6er@dl6er.de>
Signed-off-by: DL6ER <dl6er@dl6er.de>
Signed-off-by: DL6ER <dl6er@dl6er.de>
Update embedded dnsmasq to v2.90 (Pi-hole v5)
dschaper
approved these changes
Feb 14, 2024
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Release PR. This release backports the most recently released
dnsmasqversion v2.90 containing an important DNSSEC vulnerability fix but also featuring some new features and other bug fixes. See description of the related PRs for further details.