Change Slickvpn Openvpn validation:

- Allow custom ports 443, 8080 and 8888
- Allow TCP

internal/configuration/settings/openvpnselection.go

@@ -43,7 +43,6 @@ func (o OpenVPNSelection) validate(vpnProvider string) (err error) {
 		providers.Ipvanish,
 		providers.Perfectprivacy,
 		providers.Privado,
-		providers.SlickVPN,
 		providers.VPNUnlimited,
 		providers.Vyprvpn,
 	) {
@@ -83,6 +82,9 @@ func (o OpenVPNSelection) validate(vpnProvider string) (err error) {
 			case providers.Protonvpn:
 				allowedTCP = []uint16{443, 5995, 8443}
 				allowedUDP = []uint16{80, 443, 1194, 4569, 5060}
+			case providers.SlickVPN:
+				allowedTCP = []uint16{443, 8080, 8888}
+				allowedUDP = []uint16{443, 8080, 8888}
 			case providers.Wevpn:
 				allowedTCP = []uint16{53, 1195, 1199, 2018}
 				allowedUDP = []uint16{80, 1194, 1198}