fix: small fixes

internal/server/ufw.go

@@ -172,7 +172,7 @@ func (u *ufwManager) pruneShared() {
 
 // allowForward opens the host ports a forward rule needs: its host port (bound
 // to the rule so it is revoked with it) plus the shared tunnel port for direct
-// tcp/udp modes (bound to 0 — shared across rules). A rule made "without ufw"
+// tcp/udp modes (bound to 0 - shared across rules). A rule made "without ufw"
 // opens nothing, so nothing is revoked with it either.
 func (u *ufwManager) allowForward(rule ForwardRule) {
 	if !u.available() {