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Advertise router DNS to VPN clients as 2nd DNS server

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Hi all, I've got a TUN OpenVPN Server running fine on my RT-AC86U with Merlin 384.13.
But I have a problem when specifying the DNS servers my VPN clients should use.

For example: router IP is 192.168.1.1, primary DNS server is 192.168.1.2.
I want my VPN clients to use the primary DNS server (which isn't the router) by default, but fall back to the router.

For example, I put this in custom configuration:

push "dhcp-option DNS 192.168.1.2"
push "dhcp-option DNS 192.168.1.1"

However, now...

Advertise router DNS to VPN clients as 2nd DNS server

[Fork] Asuswrt-Merlin 374.43 LTS releases (V39E3)

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LATEST RELEASE: Update-39E3/39L3
17-April-2019
Merlin fork 374.43_39E3j9527
Download http://bit.ly/1YdgUcP
============================

This is an LTS (Long Term Service) fork of Asuswrt-Merlin based on 374.43_2. This older code base has a history of being very stable, and some of the older code components may perform better in some environments. It may be a good choice for those who desire a 'set it and forget it' router solution. Additional information on the differences...

[Fork] Asuswrt-Merlin 374.43 LTS releases (V39E3)

VPN client list nvram variables

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Hi community,

I got an issue that has been bugging me for a while. I got several scripts that run as cron jobs and rotate the VPNs to different servers. Every once and a while I notice that I have duplicate entries in my client list on the vpn page. I am trying to determine which nvram variable needs to be set/unset. Here is what I see for the client list:

vpn_client5_clientlist=
vpn_client5_clientlist1=
vpn_client5_clientlist2=
vpn_client5_clientlist3=
vpn_client5_clientlist4=

In my...

VPN client list nvram variables

Diversion - the Router Ad-Blocker

scribe - syslog-ng and logrotate installer

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scribe v2.1_2
2019-06-14

scribe is a script that installs syslog-ng and logrotate from Entware. Filters for various common logs are included, and logrotate files to manage those logs.

Requirements
Asuswrt-Merlin version 380.68 or later running on a supported router with Entware installed. jffs scripts must be enabled, although Entware installation should have taken care of this.

IMPORTANT:
1:...

scribe - syslog-ng and logrotate installer

[384.14_Alpha - builds] Testing all variants.

x3mRouting ~ Selective Routing for Asuswrt-Merlin Firmware

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Selectively route LAN clients, website or streaming media traffic over the WAN or OpenVPN client interfaces on Asuswrt-Merlin firmware using IPSET lists.

Project Development
I used Amazon Prime, BBC, CBS All Access, Hulu, Netflix and Sling streaming media services in developing the project and include them in the usage examples on the x3mRouting GitHub repository.

Introduction
The features of x3mRouting include three...

x3mRouting ~ Selective Routing for Asuswrt-Merlin Firmware

Configuring Static WAN IP through NAT

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Hi,

I've been using Asuswrt-Merlin for some time but have limited NAT knowledge. Having exhausted everything I could think of to fix this, it is time to admit defeat and reach out for help.

I've recently switched to a static WAN IP, and after configuring the firewalls NAT table as below, I've been unable to access the internal service on below port using the external public WAN IP:

Code:
iptables -t nat -I PREROUTING -i ppp0 -d <WAN-IP> -p tcp --dport 43210 -j DNAT --to-destination...
Configuring Static WAN IP through NAT

How to set a static IP to OpenVPN TUN clients

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Hello,

I am using the Asus RT-AC68U with the latest Merlin firmware 380.65

I would like to know how to set static ip addresses to my OpenVPN clients in TUN mode.

For example, I would like to set the 10.8.0.2 ip to client01, 10.8.0.4 to client02 and 10.8.0.6 to client 03.

Can you help me, please?

Thank you!

[Release] dnscrypt installer for asuswrt

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So to solve all the problems with installing dnscrypt with entware (or similar) then setting up various scripts to handle dnscrypt-proxy starting up including the ntp issue, I made my own installer for dnscrypt-proxy.

Requirements:
- ARM or MIPSEL based ASUS routers
- asuswrt-merlin firmwares or compatible
- jffs support and script enabled

Incompatibilities:
- No known issue

Current features:
-...

[Release] dnscrypt installer for asuswrt

[Release] Asuswrt-Merlin 384.13 is now available

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Asuswrt-Merlin 384.13 is now available for all supported models. The main change of this release is the addition of support for AiMesh (both router and nodes) for those models that are compatible (RT-AC87U and RT-AC3200 are not supported).

Update:: 384.13_1 for the RT-AC87U, which resolves AP mode for that model.


This release also includes a number of fixes. The highlights:
  • AiMesh support for both router and nodes. See the AiMesh section below for more...

[Release] Asuswrt-Merlin 384.13 is now available

Question regarding haproxy and iptables

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I've installed haproxy via entware so that I can tunnel both openvpn (running on router) and a separate locally hosted https server through port 443 of my router. I need to tunnel openvpn over port 443 because some WiFis block access to non standard ports and I need https over 443 so that the website viewer doesn't have to finagle with non-standard port access.

I've manually added an iptables rule to open up port 443 on my router.

Why does this work:
Code:
iptables -I INPUT 2 -p tcp -m...
Question regarding haproxy and iptables

Breaking connections - with intent

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I'm working on a script to limit my kid's computer time.

For now, this is the part of the script that kicks him off when his time is up:
Code:
    # disable his computers access to internet
    nvram set MULTIFILTER_ENABLE='2>2>0'
    # commit the change
    nvram commit
    # restart the firewall to block new connections
    service restart_firewall > /dev/null
    # restart wireless to close existing connections
    service restart_wireless > /dev/null
This works, but... restarting...

Breaking connections - with intent

ASUS DDNS not updating WAN IP

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I have Asus DDNS setup which I use to establish a VPN connection. For the past few weeks Open VPN won’t connect and I noticed it’s resolving the DDNS host name to a different IP,most likely the last WAN IP. Hope I’ve described the issue correctly. At the moment my WAN IP is different to what this page shows when I query my DDNS name.
http://iplookup.asus.com/nslookup.php
Last time this happened rebooting resolved the issue but today again same thing.

amtm - the SNBForum Asuswrt-Merlin Terminal Menu


[Release] FreshJR Adaptive QOS (Improvements / Custom Rules / and Inner workings)

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Welcome to FreshJR's Adaptive QOS modification script!

Issues with Adaptive QoS:
Adaptive QOS works amazing, but I have decided to tweak it as I have a few issues with its performance out of the box.
Some of the issues are as follows:

Issue 1:
The first issue is caused by the traffic groups. More specifically, the issue is caused by the existence of the default category. Unidentified traffic goes to the Default category. I would like...​

[Release] FreshJR Adaptive QOS (Improvements / Custom Rules / and Inner workings)

Pros/Cons of enabling IPv6

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The other morning I enabled IPv6 on my router as a test for another issue. I didn't really know what to expect, and I eventually disabled it and had to reset/restore from backup to get things back to normal with IPv4.

I've read some of the older SmallNetBuilder articles on IPv6. My ISP is Comcast and seems very IPv6 ready. My test-ipv6.com results were all good.

But it was damn scary...

Pros/Cons of enabling IPv6

Router abnormal behavior cpu

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HI,
For two days I have installed the new firmware ..Merlin on an RT-AC68U router.
Now I find myself with the problem depicted in the image.
What can be the cause?
Ps. it also occurred before installing the new firmware!
I thank

VPN instructions for a newbie

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Hi everyone.

Can anyone give me simple step-by-step instructions how to set up a VPN on my ASUS RT-AX88U so that my son can access his files on my Synology Diskstation while he is away at university? He doesn't want to just be able to log in to the Diskstation GUI and access the files that way (which can easily be done using the Synology QuickConnect service) but rather through the normal file explorer on his Macbook Pro that can be used at home while connected to the internal...

VPN instructions for a newbie

ASUS DDNS certificate verification error

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Can anyone help please? I’m using a (new to me) ASUS RT-AC87U router with latest Merlin firmware and ASUS DDNS enabled. It’s been fine for around 3 weeks but now I am getting the following intermittent log message and cannot connect to my OpenVPN server from internet.



Oct 18 12:00:02 inadyn[552]: Update forced for alias myname.asuscomm.com, new IP# nn.nnn.nn.nnn (NB changed my name/ip details for security purposes).

Oct 18 12:00:04 kernel: ADDRCONF(NETDEV_UP): tun21: link is not ready...

ASUS DDNS certificate verification error
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