I've config a PPTP client but i've this error message on network interfaces:
The logs:
Tue Sep 1 20:31:26 2020 daemon.info pppd[23699]: Plugin pptp.so loaded.
Tue Sep 1 20:31:26 2020 daemon.info pppd[23699]: PPTP plugin version 1.00
Tue Sep 1 20:31:26 2020 daemon.notice pppd[23699]: pppd 2.4.7 started by root, uid 0
Tue Sep 1 20:31:26 2020 daemon.debug pppd[23700]: pptp: call manager for 37.187.158.97
Tue Sep 1 20:31:26 2020 daemon.debug pppd[23700]: window size: 50
Tue Sep 1 20:31:26 2020 daemon.debug pppd[23700]: call id: 5192
Tue Sep 1 20:31:26 2020 daemon.debug pppd[23700]: control connection
Tue Sep 1 20:31:26 2020 daemon.debug pppd[23700]: unix_sock
Tue Sep 1 20:31:26 2020 daemon.debug pppd[23701]: Sent control packet type is 1 'Start-Control-Connection-Request'
Tue Sep 1 20:31:27 2020 daemon.debug pppd[23701]: Received Start Control Connection Reply
Tue Sep 1 20:31:27 2020 daemon.debug pppd[23701]: Client connection established.
Tue Sep 1 20:31:27 2020 daemon.debug pppd[23701]: Sent control packet type is 7 'Outgoing-Call-Request'
Tue Sep 1 20:31:27 2020 daemon.debug pppd[23701]: Received Outgoing Call Reply.
Tue Sep 1 20:31:27 2020 daemon.debug pppd[23701]: Outgoing call established (call ID 5192, peer's call ID 48896).
Tue Sep 1 20:31:27 2020 daemon.debug pppd[23699]: using channel 5184
Tue Sep 1 20:31:27 2020 kern.info kernel: [165026.417956] pptp-VPN: renamed from ppp0
Tue Sep 1 20:31:28 2020 daemon.info pppd[23699]: Renamed interface ppp0 to pptp-VPN
Tue Sep 1 20:31:28 2020 daemon.info pppd[23699]: Using interface pptp-VPN
Tue Sep 1 20:31:28 2020 daemon.notice pppd[23699]: Connect: pptp-VPN <--> pptp (fr1.vpnbook.com)
Tue Sep 1 20:31:28 2020 daemon.debug pppd[23699]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xbc939b1d>]
Tue Sep 1 20:31:31 2020 daemon.debug pppd[23699]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xbc939b1d>]
Tue Sep 1 20:31:34 2020 daemon.debug pppd[23699]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xbc939b1d>]
Tue Sep 1 20:31:35 2020 authpriv.info dropbear[23455]: Exit (root): Exited normally
Tue Sep 1 20:31:35 2020 authpriv.info dropbear[23548]: Exit (root): Exited normally
Tue Sep 1 20:31:37 2020 daemon.debug pppd[23699]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xbc939b1d>]
Tue Sep 1 20:31:40 2020 daemon.debug pppd[23699]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xbc939b1d>]
Tue Sep 1 20:31:43 2020 daemon.debug pppd[23699]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xbc939b1d>]
Tue Sep 1 20:31:46 2020 daemon.debug pppd[23699]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xbc939b1d>]
Tue Sep 1 20:31:49 2020 daemon.debug pppd[23699]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xbc939b1d>]
Tue Sep 1 20:31:52 2020 daemon.debug pppd[23699]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xbc939b1d>]
Tue Sep 1 20:31:55 2020 daemon.debug pppd[23699]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xbc939b1d>]
Tue Sep 1 20:31:58 2020 daemon.warn pppd[23699]: LCP: timeout sending Config-Requests
Tue Sep 1 20:31:58 2020 daemon.notice pppd[23699]: Connection terminated.
Tue Sep 1 20:31:58 2020 daemon.debug pppd[23701]: Closing connection (unhandled)
Tue Sep 1 20:31:58 2020 daemon.debug pppd[23701]: Sent control packet type is 12 'Call-Clear-Request'
Tue Sep 1 20:31:58 2020 daemon.debug pppd[23701]: Closing connection (call state)
Tue Sep 1 20:31:58 2020 daemon.notice pppd[23699]: Modem hangup
Tue Sep 1 20:31:58 2020 daemon.info pppd[23699]: Exit.
Tue Sep 1 20:31:58 2020 daemon.notice netifd: Interface 'VPN' is now down
The firewall:
Custom rules:
iptables -t raw -A OUTPUT -p tcp \
-m comment --comment "!fw3: PPTP connection tracking" \
-m tcp --dport 1723 -j CT --helper pptp
Device info:
Model TP-Link Archer C7 v5
Architecture Qualcomm Atheros QCA956X ver 1 rev 0
Firmware Version OpenWrt 19.07.3 r11063-85e04e9f46 / LuCI openwrt-19.07 branch git-20.136.49537-fb2f363
Kernel Version 4.14.180
I've tried with differents VPN and it's the same, any idea?
I want to setup for expressvpn