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docs: note GeoLite2 free signup in check-ip and geoip.Conf

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Missing GeoIP.conf now points users at the free MaxMind signup with an
example config. Also documented on the geoip.Conf godoc.
This commit is contained in:
AJ ONeal 2026-04-20 17:07:22 -06:00
parent f293f86b16
commit 0c509fb563
No known key found for this signature in database
2 changed files with 17 additions and 2 deletions
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11
cmd/check-ip/main.go
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@ -52,7 +52,7 @@ func main() {
cfg := IPCheck{}
fs := flag.NewFlagSet(os.Args[0], flag.ContinueOnError)
fs.StringVar(&cfg.Bind, "serve", "", "bind address for the HTTP API, e.g. :8080")
fs.StringVar(&cfg.GeoIPConfPath, "geoip-conf", "", "path to GeoIP.conf (default: ./GeoIP.conf or ~/.config/maxmind/GeoIP.conf)")
fs.StringVar(&cfg.GeoIPConfPath, "geoip-conf", "", "path to GeoIP.conf with MaxMind AccountID + LicenseKey\n(free signup at https://www.maxmind.com/en/geolite2/signup)\n(default: ./GeoIP.conf or ~/.config/maxmind/GeoIP.conf)")
fs.StringVar(&cfg.RepoURL, "blocklist-repo", defaultBlocklistRepo, "git URL of the blocklist repo (must match bitwire-it layout)")
fs.StringVar(&cfg.CacheDir, "cache-dir", "", "cache parent dir, holds bitwire-it/ and maxmind/ subdirs (default: OS user cache)")
fs.StringVar(&cfg.WhitelistPath, "whitelist", "", "path to a file of IPs and/or CIDRs (one per line) that override block decisions")
@ -141,7 +141,14 @@ func main() {
// conditional GETs. geoip.Open extracts in-memory — no .mmdb files
// are written to disk.
if cfg.GeoIPBasicAuth == "" {
log.Fatalf("geoip-conf: not found; set --geoip-conf or place GeoIP.conf in a default location")
log.Fatalf("geoip-conf: not found; set --geoip-conf or place GeoIP.conf in a default location.\n"+
"GeoLite2 registration and the AccountID/LicenseKey needed for GeoIP.conf are free at:\n"+
" https://www.maxmind.com/en/geolite2/signup\n"+
"Then create a license key and write ./GeoIP.conf (or ~/.config/maxmind/GeoIP.conf):\n"+
" AccountID <your-account-id>\n"+
" LicenseKey <your-license-key>\n"+
" EditionIDs GeoLite2-City GeoLite2-ASN\n"+
"Default search paths: %v", geoip.DefaultConfPaths())
}
maxmindDir := filepath.Join(cfg.CacheDir, "maxmind")
authHeader := http.Header{"Authorization": []string{cfg.GeoIPBasicAuth}}

8
net/geoip/conf.go
View File

@ -7,6 +7,14 @@ import (
)
// Conf holds the fields parsed from a geoipupdate-style config file.
//
// GeoLite2 is free: sign up at https://www.maxmind.com/en/geolite2/signup
// to get an AccountID and generate a LicenseKey, then write them to
// GeoIP.conf alongside the desired EditionIDs:
//
// AccountID 123456
// LicenseKey xxxxxxxxxxxxxxxx
// EditionIDs GeoLite2-City GeoLite2-ASN
type Conf struct {
AccountID string
LicenseKey string