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caddyhttp: Determine real client IP if trusted proxies configured (#5104)

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* caddyhttp: Determine real client IP if trusted proxies configured

* Support customizing client IP header

* Implement client_ip matcher, deprecate remote_ip's forwarded option
This commit is contained in:
Francis Lavoie 2023-03-27 16:22:59 -04:00 • committed by GitHub
parent 330be2d8c7
commit 05e9974570
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9 changed files with 462 additions and 187 deletions
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5
modules/caddyhttp/app.go
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@ -232,6 +232,11 @@ func (app *App) Provision(ctx caddy.Context) error {
srv.trustedProxies = val.(IPRangeSource)
}
// set the default client IP header to read from
if srv.ClientIPHeaders == nil {
srv.ClientIPHeaders = []string{"X-Forwarded-For"}
}
// process each listener address
for i := range srv.Listen {
lnOut, err := repl.ReplaceOrErr(srv.Listen[i], true, true)