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Recent content by Wallace

  1. Wallace

    OpenVPN client connecting to OpenVPN server with 2FA

    I have a working setup guide for OpenVPN client with 2FA, please take a look. Post in thread 'OpenVPN Client with 2FA' https://www.snbforums.com/threads/openvpn-client-with-2fa.79337/post-775325 Appreciate any advice or insights! Thanks!
  2. Wallace

    OpenVPN Client with 2FA

    Thanks for the pointers! Updated firewall file: /jffs/openvpn/firewall-up.v2.sh ## Configure NAT to masquerade the source IP of packets sent to tun0 to router's IP iptables -t nat -I POSTROUTING 1 -o tun0 -j MASQUERADE ## Block inbound from remote site (tun0) ## Drop NEW connections...
  3. Wallace

    OpenVPN Client with 2FA

    This is my setup for a site-to-site vpn with openvpn client with 2FA. Install opkg packages: opkg install expect tmux bind-tools Files required: /jffs/openvpn/client.ovpn /jffs/openvpn/client-credentials.txt /jffs/openvpn/start-openvpn-client.sh /jffs/openvpn/firewall-up.sh...
  4. Wallace

    [Solution] ASUSwrt DDNS updater script that works with multi-NAT

    Found another free dynamic DNS provider that does not expire free accounts. Update the following variables with Dynu account details in update-ddns-asuswrt-dynu.sh DYNU_PASSWORD="[your-username-at-dynu.com]" ... DYNU_DDNS_HOSTNAME="[your-hostname].ddnsfree.com" ...
  5. Wallace

    Persistent crontab

    I forgot to mention that the target hardware is ASUS Lyra Trio. Also, interestingly there is a /jffs/ partition where the shell scripts can be persist after reboot. Would the "usual workarounds" work with /jffs/ partition ?
  6. Wallace

    [Solution] ASUSwrt DDNS updater script that works with multi-NAT

    I'm having intermittent update problems with ez-ipupdate too, it looks like either ez-ipupdate or ASUS free ddns service is flaky. Also, ez-ipupdate is insecure as it uses no credentials and unencrypted channel to update ASUS ddns service. I'm abandoning both ez-ipupdate and ASUS ddns service...
  7. Wallace

    [Solution] ASUSwrt DDNS updater script that works with multi-NAT

    Up to this point, the script is able to: Retrieve the public ip from https://checkip.amazonaws.com/ Execute a dns query with nslookup Cache the IP in a temp file (/tmp/myip) The failure is from another program (ez-ipupdate) use to update DDNS. Getting ez-ipupdate to work crucial. Are you...
  8. Wallace

    [Solution] ASUSwrt DDNS updater script that works with multi-NAT

    Sorry for the confusion. I have updated the instructions to indicate where the commands should be executed from.
  9. Wallace

    [Solution] ASUSwrt DDNS updater script that works with multi-NAT

    Try without "-i eth0" option, your device might not have "eth0" interface. /usr/sbin/ez-ipupdate -S dyndns -a 62.46.xxx.xxx -h your-hostname.asuscomm.com -A 2 -s nwsrv-ns1.asus.com
  10. Wallace

    [Solution] ASUSwrt DDNS updater script that works with multi-NAT

    "my_name.asuscomm.com" is not a valid hostname. Underscores (_) are not allowed in hostnames.
  11. Wallace

    Persistent crontab

    I have a ddns update script that is added to the crontab with this command. cru a 1 "*/5 * * * *" /jffs/update-ddns-asuswrt.sh However, this crontab setting does not survive a reboot. What is a good method to ensure the crontab settings persist on a vanilla ASUSwrt firmware?
  12. Wallace

    Install ipkg, opkg or optware on default ASUSWrt

    I'm trying to get public IP from external url for a ddns update script that can be used in a multiple NAT environment. https://www.snbforums.com/threads/solution-asuswrt-ddns-updater-script-that-works-with-multi-nat.47531/
  13. Wallace

    [Solution] ASUSwrt DDNS updater script that works with multi-NAT

    Thanks for the input. update-ddns-asuswrt.sh updated to use system logger.
  14. Wallace

    [Solution] ASUSwrt DDNS updater script that works with multi-NAT

    Is there a way to log rotate in ASUSwrt firmware?
  15. Wallace

    [Solution] ASUSwrt DDNS updater script that works with multi-NAT

    Thanks for the good suggestion! I have made the changes.
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