OurBigBook Web signup IP blacklist

It is possible to blacklist IP and IP prefixes by adding them to the database with:

./heroku run web/bin/blacklist-signup-ip 123.456.789.1

IP prefixes can also be added to block entire ranges e.g.:

./heroku run web/bin/blacklist-signup-ip 123.456.789
./heroku run web/bin/blacklist-signup-ip 123.456
./heroku run web/bin/blacklist-signup-ip 123

would block respectively all of:

123.456.789.*
123.456.*
123.*

You can also add a note as:

./heroku run web/bin/blacklist-signup-ip 123.456.789.1 'IP blocked because asdf is ugly'

The list of blacklisted IPs can be obtained with:

./heroku psql -c 'SELECT * FROM "SignupBlacklistIp"'

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