Loopback not working on LAN only

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jmbond04
DD-WRT Novice


Joined: 21 Sep 2013
Posts: 2
PostPosted: Mon Mar 21, 2016 15:26    Post subject: Loopback not working on LAN only Reply with quote
I have just noticed that I am not able to use my external IP address and ddns hostname to access my website while on my local lan. I can access using WiFi on my local network and from VPN and just an external network. I have recently set up a Guest network so my best guess it maybe so setting in that caused this. I'm looking at maybe my iptables aren't set up correctly. Also I can ping my network using my external IP.

    Router: Buffalo WZR-HP-AG300H
    Firmware: DD-WRT v24-sp2 (05/03/13) std - build 21453
    CPU:Atheros AR7161


These are my current Startup Commands:
Code:
openvpn --mktun --dev tap0
brctl addif br0 tap0
ifconfig tap0 192.168.11.1 255.255.255.0


These are my current Firewall Commands:
Code:
iptables -t nat -A POSTROUTING -j MASQUERADE

iptables -I INPUT 1 -p udp -dport 1194 -j ACCEPT
iptables -I FORWARD 1 -source 192.168.11.0/24 -j ACCEPT
iptables -I FORWARD -i br0 -o tun0 -j ACCEPT
iptables -I FORWARD -i tun0 -o br0 -j ACCEPT


iptables -t nat -I POSTROUTING -o `get_wanface` -j SNAT --to `nvram get wan_ipaddr`
iptables -I FORWARD -i br1 -m state --state NEW -j ACCEPT
iptables -I FORWARD -i br1 -o br0 -m state --state NEW -j DROP
iptables -I FORWARD -i br0 -o br1 -m state --state NEW -j DROP
iptables -I INPUT -i br1 -p tcp --dport telnet -j REJECT --reject-with tcp-reset
iptables -I INPUT -i br1 -p tcp --dport ssh -j REJECT --reject-with tcp-reset
iptables -I INPUT -i br1 -p tcp --dport www -j REJECT --reject-with tcp-reset
iptables -I INPUT -i br1 -p tcp --dport https -j REJECT --reject-with tcp-reset


I'm not really sure what other information would be useful to provide.
If anyone has any idea how to fix this please let me know.
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GreyDoc
DD-WRT User


Joined: 04 Jun 2015
Posts: 392
PostPosted: Mon Mar 21, 2016 15:51    Post subject: Reply with quote
update to today's build http://www.dd-wrt.com/phpBB2/viewtopic.php?t=300169
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mrjcd
DD-WRT Guru


Joined: 31 Jan 2015
Posts: 6293
Location: Texas
PostPosted: Mon Mar 21, 2016 16:02    Post subject: Reply with quote
try
Code:
iptables -I FORWARD -i br1 -o br0 -d 192.168.x.x -m state --state NEW -j ACCEPT

using local IP of your webserver
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jmbond04
DD-WRT Novice


Joined: 21 Sep 2013
Posts: 2
PostPosted: Tue Mar 22, 2016 14:33    Post subject: Reply with quote
Thanks for the reply's but it looks like my home internet has gone out so I can't do either one of these right now. I'll try these out once it gets back but.
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