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  1. TheStork

    4G dongle that passes external IP to router?

    That's the crux of the question: which 4G dongle does operate as a simple modem without doing NAT? I bought the ZTE MF823 dongle as I read several users having trouble with at least some of the various Huawei 4G dongles for the same reason of doing NAT. The trouble is it seems difficult to know...
  2. TheStork

    4G dongle that passes external IP to router?

    Does anyone know which Asus compatible 4G/LTE dongles pass the external IP address to the router? I'm trying to set up a AC87U (with Merlin 380.65_2 firmware) where I'm trying to use ddns and OpenVPN server with a 4G USB dongle as the primary (and only) WAN connection. I bought a ZTE MF823 4G...
  3. TheStork

    Asuswrt-Merlin 380.57 is now available

    Thanks John - that's clear.
  4. TheStork

    Asuswrt-Merlin 380.57 is now available

    I updated my AC-RT87U to 380.57 from 378.55, and it seems that despite using the NVRAM save/restore utility (with factory reset after update), the router lost my previous OpenVPN server certs/keys (both server and CA certs) and had generated new ones. Is that intended behaviour? With previous...
  5. TheStork

    Cannot connect OpenVPN on Asuswrt-Merlin

    I got it working in the end, replacing the keys and certs generated with two changes to settings: Changed the easy-rsa vars to the traditional "org" mode, rather than "cn_only" which is default in Easy-RSA 3. set EASYRSA_NS_SUPPORT to "yes" in the vars file, to support the old deprecated...
  6. TheStork

    Cannot connect OpenVPN on Asuswrt-Merlin

    That's indeed what I've done. I've based my set up steps on the merlin documentation (and the Tomato firmware OpenVPN article referred in it. https://github.com/RMerl/asuswrt-merlin/wiki/Configuring-OpenVPN...
  7. TheStork

    Cannot connect OpenVPN on Asuswrt-Merlin

    I've pasted in the client cert and key manually into the ovpn file generated by the router, as I spotted the placeholders you mentioned. I've then opened the edited ovpn file on my iOS device. The router does not generate the client's key or certificate so they would need to come e.g. from the...
  8. TheStork

    Cannot connect OpenVPN on Asuswrt-Merlin

    Hi, I am attempting to set up an OpenVPN server on my RT-AC87U (running wrt-merlin 378.50) and have got the keys and certificates up and running, but when trying to connect, the OpenVPN client app on iOS gives the following errors: 2015-02-22 21:00:34 VERIFY FAIL -- bad ns-cert-type in leaf...
  9. TheStork

    Iptables vserver chain?

    Thanks John, Am I being silly, or wouldn't the PREROUTING chain do something very similar for manual port forwards? What's the difference? (I'm trying to visualise where the VSERVER 'hookpoint' would sit relative to PREROUTING, POSTROUTING, INPUT, OUTPUT, and FORWARD chains). Apologies...
  10. TheStork

    Iptables vserver chain?

    Many of the examples around NAT scripts on this forum and in the documentation on GitHub use the chain 'VSERVER' for iptables, e.g. : My understanding of iptables is still relatively basic, but I have a rough idea what e.g. the POSTROUTING, PREROUTING and OUTPUT chains are for. However...
  11. TheStork

    Port forwarding query

    Thanks JoBo, I'd like to use the same address regardless whether I connect with a device within LAN or from WAN side. I assume your DVR/NVR example is very much what I'm trying to set up (i.e. remote access to my NVR/IP cameras), but I would like to use the same address (e.g. a DynDNS...
  12. TheStork

    Port forwarding query

    Hi, I am trying to set up some iptables nat rules allowing port forwarding to only some source IP ranges (on my RT-AC87U, on Merlin-wrt 376.48_1 firmware), but am having some trouble. The forwarded ports work for devices that are outside the LAN (within the IP range I've defined port...
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