Model :

Hardware Version :

Firmware Version :

ISP : [/COLOR]

Model : TL-R470T+

Hardware Version :
TL-R470T+ v4.0

Firmware Version :
1.1.0 Build 20150526 Rel.71817s

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192.168.4.100 -> server with Apache2 and SSH connected to LAN port on TL-R470T+ v.4 OS Linux Mint
192.168.2.64 -> WAN1
192.168.2.65 -> lz5pn-ME051 computer with Linux Mint connected in network where belong WAN1

SSH and http do not work

lz5pn@lz5pn-ME051 ~ $ ping 192.168.4.64
PING 192.168.4.64 (192.168.4.64) 56(84) bytes of data.
^C
--- 192.168.4.64 ping statistics ---
9 packets transmitted, 0 received, 100% packet loss, time 8065ms

lz5pn@lz5pn-ME051 ~ $

Ping to WAN1 do not work

block ping from WAN is disabled

any idea:
why WAN ports are invisible (no ping)?
why virtual servers do not work?

What is wrong with this router?