add a global whitelist

if defined only the listed IPs/networks can access the configured
services, all other client connections will be dropped before they
even try to authenticate

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
This commit is contained in:
Nicola Murino
2022-03-17 22:10:52 +01:00
parent 03da7f696c
commit d9f30e7ac5
12 changed files with 196 additions and 20 deletions

View File

@@ -411,7 +411,7 @@ func canAcceptConnection(ip string) bool {
return false
}
if !common.Connections.IsNewConnectionAllowed(ip) {
logger.Log(logger.LevelDebug, common.ProtocolSSH, "", "connection refused, configured limit reached")
logger.Log(logger.LevelDebug, common.ProtocolSSH, "", fmt.Sprintf("connection not allowed from ip %#v", ip))
return false
}
_, err := common.LimitRate(common.ProtocolSSH, ip)