commit a3563bbf277b6a7e7931797ee06a7cb5f7156e14 Author: Damian Johnson atagar@torproject.org Date: Sun Oct 25 13:09:11 2015 -0700

Change fingerprint threshold to ten in ten days

We've been getting a lot of false alarms on bad-relays@. David said ten notifications in ten days is a fine threshold. --- fingerprint_change_checker.py | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fingerprint_change_checker.py b/fingerprint_change_checker.py index 4aabfdb..c6a4b98 100755 --- a/fingerprint_change_checker.py +++ b/fingerprint_change_checker.py @@ -26,7 +26,7 @@ The following relays are frequently changing their fingerprints...

FINGERPRINT_CHANGES_FILE = util.get_path('data', 'fingerprint_changes') ONE_DAY = 24 * 60 * 60 -THIRTY_DAYS = 30 * 24 * 60 * 60 +TEN_DAYS = 10 * 24 * 60 * 60

log = util.get_logger('fingerprint_change_checker')

@@ -53,15 +53,15 @@ def main():

# drop fingerprint changes that are over thirty days old

- old_fingerprints = [fp for fp in prior_fingerprints if (time.time() - prior_fingerprints[fp] > THIRTY_DAYS)] + old_fingerprints = [fp for fp in prior_fingerprints if (time.time() - prior_fingerprints[fp] > TEN_DAYS)]

for fp in old_fingerprints: log.debug("Removing fingerprint for %s:%s (%s) which was published %i days ago" % (relay.address, relay.or_port, fp, prior_fingerprints[fp] / 60 / 60 / 24)) del prior_fingerprints[fp]

- # if we've changed more than three times in the last thirty days then alarm + # if we've changed more than ten times in the last ten days then alarm

- if len(prior_fingerprints) > 3: + if len(prior_fingerprints) >= 10: alarm_for.add((relay.address, relay.or_port))

if alarm_for and not is_notification_suppressed(alarm_for):