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Elaborate on why to use certain flags

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e.g. `-quiet` can save $30 / month. Or set `-nameservers` and
`-addresses` if you're running your own sslip.io nameservers.
This commit is contained in:
Brian Cunnie
2023-11-29 14:59:04 -08:00
parent f0b5ed0e63
commit 91c23a3a48
1 changed files with 8 additions and 4 deletions
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12
src/sslip.io-dns-server/main.go
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@@ -14,8 +14,11 @@ import (
) )
func main() { func main() {
var blocklistURL = flag.String("blocklistURL", "https://raw.githubusercontent.com/cunnie/sslip.io/main/etc/blocklist.txt", `URL containing a list of "forbidden" names/CIDRs`) var blocklistURL = flag.String("blocklistURL",
var nameservers = flag.String("nameservers", "ns-aws.sslip.io.,ns-azure.sslip.io.,ns-gce.sslip.io.", "comma-separated list of nameservers") "https://raw.githubusercontent.com/cunnie/sslip.io/main/etc/blocklist.txt",
`URL containing a list of non-resolvable IPs/names/CIDRs, usually phishing or scamming sites. Example "file://../../etc/blocklist.txt"`)
var nameservers = flag.String("nameservers", "ns-aws.sslip.io.,ns-azure.sslip.io.,ns-gce.sslip.io.",
"comma-separated list of FQDNs of nameservers. If you're running your own sslip.io nameservers, set them here")
var addresses = flag.String("addresses", var addresses = flag.String("addresses",
"sslip.io=78.46.204.247,"+ "sslip.io=78.46.204.247,"+
"sslip.io=2a01:4f8:c17:b8f::2,"+ "sslip.io=2a01:4f8:c17:b8f::2,"+
@@ -26,9 +29,10 @@ func main() {
"ns-aws.sslip.io=52.0.56.137,"+ "ns-aws.sslip.io=52.0.56.137,"+
"ns-aws.sslip.io=2600:1f18:aaf:6900::a,"+ "ns-aws.sslip.io=2600:1f18:aaf:6900::a,"+
"ns-azure.sslip.io=52.187.42.158,"+ "ns-azure.sslip.io=52.187.42.158,"+
"ns-gce.sslip.io=104.155.144.4", "comma-separated list of hosts and corresponding IPv4 and/or IPv6 address(es). If unsure, add to the list rather than replace") "ns-gce.sslip.io=104.155.144.4",
"comma-separated list of hosts and corresponding IPv4 and/or IPv6 address(es). If you're running your own sslip.io nameservers, add their hostnames and addresses here. If unsure, add to the list rather than replace")
var bindPort = flag.Int("port", 53, "port the DNS server should bind to") var bindPort = flag.Int("port", 53, "port the DNS server should bind to")
var quiet = flag.Bool("quiet", false, "suppresses logging of each DNS response") var quiet = flag.Bool("quiet", false, "suppresses logging of each DNS response. Use this to avoid Google Cloud charging you $30/month to retain the logs of your GKE-based sslip.io server")
flag.Parse() flag.Parse()
log.Printf("%s version %s starting", os.Args[0], xip.VersionSemantic) log.Printf("%s version %s starting", os.Args[0], xip.VersionSemantic)
log.Printf("blocklist URL: %s, name servers: %s, bind port: %d, quiet: %t", log.Printf("blocklist URL: %s, name servers: %s, bind port: %d, quiet: %t",