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  1. B

    YazFi YazFi Guest Network unable to access Pi-Hole DNS server

    I couldn't quite find this exact situation in searching the forum. I have a Pi-Hole connected via non-Guest WIFI working well as the LAN's DNS (not DHCP) server for a whle. The PI-Hole DNS is set to "permit all origins." I recently installed YazFi and if I use a public DNS such as...
  2. J

    Pihole/Yazfi with guest network

    I have an Asus AC86U and a raspi with umbrel and pihole installed. My router has the DNS set to the pihole DNS and another DNS to use to resolve in case the first DNS isn't available. I do realise this means that both are used no matter what but it saves my network from crashing if the first...
  3. B

    Yazfi: VPN Server for guest network access only

    I want to setup a VPN server (OpenVPN) and allow access only to specific subnets or ips (ie. just one of the guest wifi networks). Is this possible? If so, I assume we need to run a script because I didn't see options for it in the UI, an example script would be appreciated. I have an RT-AC88U...
  4. R

    ASUS RT-AX88U Network Segmentation (Help Needed)

    Hello Everyone, I have been a long-term window lurker on SNB. The forums have been quite helpful in the past. I finally signed up, and have a few questions of my own. Hoping someone could help me achieve the setup I need or just tell me if it is not possible at all. My hardware includes: 1...
  5. N

    YazFi Can/Should YazFi be installed on external USB drive?

    (Sorry for the noob question, I have tried to search the forums for an answer but can't find it) Is it possible to install YazFi on a USB flash drive rather than the router's internal memory? I understand that YazFi will require writing to disk and I wanted to reduce the risk of wearing out the...
  6. lluke

    YazFi, ntpMerlin and guest network isolation

    Hi All, in my setup, I'm using YazFi to isolate the IoT devices from the main network and internet, and ntpMerlin to serve all the NTP requests any client may send. Everything is working fine on the ntpMerlin side since it is serving responses for queries coming from the main network and guest...
  7. C

    YazFi: Guest Networks and DNS Director?

    I have an Asus RT-AC3100 with 386.5.2. I'm using guest networks to isolate some devices and the DNSFilter feature to use OpenDNS to block some websites. DNSFilter works as expected on the main network, but does not work when I move a device over to the any of the 3 guest networks. Also, I can...
  8. L

    RT-AC86U Is there a way to put multiple Guest networks on AIMesh nodes

    The RT-AC86U supports up to 3 guest networks, but the "Guest network on AIMesh" option is only available for Guest Network number one. The other two guest networks are apparently not extended by any AIMesh node. Is there any way to enable these other guest networks to be extended on AIMesh...
  9. r000t

    YazFi - NAT to guest wifi

    Hi, I have some IoT devices on guest Wi-fi, which only accept connection if SRC IP belongs to the same network (e.g., Yeelight smart lights). I know it is possible to add custom IPTABLES commands to /jffs/addons/YazFi.d/userscripts.d/custom.sh, but I am not that skilled at IPTABLES and afraid...
  10. J

    YazFi Blocking internet access for certain devices on YazFi guest network

    Hi there, I've been using YazFi for my IOT devices in the house, and have a question. I have a guest network that has internet access, but want to add 2 devices that do not need internet access but need to be accessed by my Homekit hub on the primary WiFi network. The first step I've been doing...
  11. D

    YazFi YazFi - Reserved IP connecting and disconnecting

    Hi, I have tried to follow a guide to set reserved IP's for clients when using Guest network, however some/all clients keep disconnecting and reconnecting every minute or so, and the hostname and IP all show up as Unknown. I followed the guide in this post...
  12. C

    YazFi [Feature Request] Guest devices, view information + switch for deactivating internet connectivity

    Hi! I use Yazfi and I see no information on the devices other than just mac/IP/wifi connectivity. It would be awesome to get a more detailed view, like amount of Tx and Rx packets sent. Also, in the general Client List view, the guest networks are empty and do not show the guest devices...
  13. lluke

    No internet on clients after firewall restart (WG, Unbound, YazFi)

    Hi all, on my 2 RT-AC86U whenever I face a connectivity re-connect (also done from the scmerlin add-on Internet Connection restart action) or a VPN change (e.g., updating and saving the IPSec VPN Server config) restart the firewall then every service on the router is properly working (Unbound...
    • lluke
    • Thread
    • connected but no internet firewall iptables unbound wireguard yazfi
    • Replies: 10
    • Forum: Asuswrt-Merlin AddOns
  14. Tom Jo-Jo Junior Shabadoo

    YazFi Ping dualband device on YazFi

    Hello, I recently installed YazFi hoping to avoid any trouble with all the cheap Chinese devices by isolating most on a dedicated IoT network. I want to get a notification if any of my IP cameras becomes unresponsive and can successfully assign a dedicated IP following the below from the...
  15. Chewie420

    Use wireguard for Yazfi

    Just updated my RTAX88U to Merlin’s 388.1 I configured my wireguard for VPN client and everything is working great but in Yazfi I seem to only have the option to connect to my OpenVPN client connections. If I change the subnet I created in VPN director to 192.168.111.0/24 to use the WG client...
  16. J

    YazFi YazFi not routing guest through ISP

    Hey guys I hope this is the right sub-forum to post this. I have a RT-AC86U with latest merlin and I just SSH'd into my router and ran the command to install YazFi. I'm quite new to routers and things like this and I was under the impression I could run guest networks through my normal ISP...
  17. P

    YazFi YazFi & vlan isolation issue

    Hello, I have encountered guest Wi-Fi connection issues when trying to use YazFi in combination with custom scripts for VLAN creation on RT-AC86U: the Wi-Fi devices (phone and laptop) connect for a short time (8 seconds max) to the guest network and are disconnected; they appear for a short...
  18. A

    Confused about gateway IP

    Hi, I'm not sure if this is the right place to post this question. I have a RT-AC66U with 374.43_53D7j9527 (Merlin LTS fork) installed, firmware (3.0.0.4.374.43_53D7j9527) is the latest from August 2022. I added YazFi script, and now I'm migrating my subnets from 192.168.1.0/24 to 10.x.x.x/24 I...
  19. Y

    YazFi YazFi - Allow NTP only

    Hello to everyone, long-time lurker, first time poster - please be gentle! I tried to find the answer for my question for days before posting, but to no avail, so here goes: I have a Synology NAS with a cloud-based D-Link camera for which I made a guest network with no Internet access...
  20. adri

    YazFi YazFi - Combining guest networks/subnets

    Hi, so this came up in my other thread, but I wanted to start a new one since it's a separate issue and I like separation of concerns :) . I want to make it so that, for one of my guest networks, the 2.4GHz segment (.14 subnet) can talk to the 5GHz segment (.15 subnet) and vice-versa, without...
    • adri
    • Thread
    • firewall guest networks iptables subnets testing user scripts yazfi
    • Replies: 9
    • Forum: Asuswrt-Merlin AddOns
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