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  Topic: Asus WL 520 gU bricked?
danielwritesback

Replies: 8
Views: 3383

PostForum: Broadcom SoC based Hardware   Posted: Sat Apr 04, 2020 6:38   Subject: Asus WL 520 gU bricked?
The BCM5354's can play dead, temporarily. Although not advisable for newer models, the 30/30/30 reset practice is fine for the 5354's. It could take several tries.
  Topic: Block attack ports with iptables?
danielwritesback

Replies: 18
Views: 6963

PostForum: General Questions   Posted: Wed Apr 01, 2020 20:53   Subject: Block attack ports with iptables?
Currently, I have: iptables -t nat -I PREROUTING -p tcp -m multiport --sport 22,23,53,135,139,445,623,3389,5357,5900,9971,16992,16993,16994,16995 -j DROP
iptables -t nat -I PREROUTING -p udp -m multi ...
  Topic: E3000 bricked- no serial or jtag?
danielwritesback

Replies: 8
Views: 904

PostForum: Broadcom SoC based Hardware   Posted: Wed Apr 01, 2020 19:21   Subject: E3000 bricked- no serial or jtag?
https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1154876#1154876
  Topic: Can 5Ghz antenna be improved via soldering copper? r6300v1
danielwritesback

Replies: 3
Views: 923

PostForum: Broadcom SoC based Hardware   Posted: Wed Apr 01, 2020 18:42   Subject: Can 5Ghz antenna be improved via soldering copper? r6300v1
For a larger antenna: Collinear
https://www.youtube.com/watch?v=nVWzS7dW_BE
  Topic: Iptables: How do I block TCP from port 53?
danielwritesback

Replies: 13
Views: 562

PostForum: Advanced Networking   Posted: Wed Mar 18, 2020 19:58   Subject: Iptables: How do I block TCP from port 53?
...I just did the first rule to ensure that it worked for you. The -m tcp is probably not needed I think i was just typing and it does not hurt.
For the scope, that is up to you, most systems never ...
  Topic: Iptables: How do I block TCP from port 53?
danielwritesback

Replies: 13
Views: 562

PostForum: Advanced Networking   Posted: Mon Mar 16, 2020 19:29   Subject: Iptables: How do I block TCP from port 53?
iptables -I OUTPUT 1 -p tcp -m tcp --dport 53 -j REJECTThat command blocks an average of 4 'unnecessary' things per hour (according to iptables -nvL).
THANKS!
iptables -I OUTPUT -p tcp -dport 53 -j ...
  Topic: Iptables: How do I block TCP from port 53?
danielwritesback

Replies: 13
Views: 562

PostForum: Advanced Networking   Posted: Sun Mar 15, 2020 22:52   Subject: Iptables: How do I block TCP from port 53?
THANKS!
iptables -I INPUT 1 -p tcp -m tcp --dport 53 -j REJECTis non-stealth, responds as closed. https://www.grc.com/shieldsup
It should use DROP.

Would this do?
iptables -A INPUT -p tcp --dp ...
  Topic: Iptables: How do I block TCP from port 53?
danielwritesback

Replies: 13
Views: 562

PostForum: Advanced Networking   Posted: Fri Mar 13, 2020 18:42   Subject: Iptables: How do I block TCP from port 53?
iptables -I OUTPUT -p tcp -port 53 -j REJECTResults: "iptables v1.3.7: multiple -p flags not allowed"

So, how to catch both the dnsmasq and also clients that don't use the router-speci ...
  Topic: Iptables: How do I block TCP from port 53?
danielwritesback

Replies: 13
Views: 562

PostForum: Advanced Networking   Posted: Fri Mar 13, 2020 17:38   Subject: Iptables: How do I block TCP from port 53?
I'd like to make sure that my DNS uses only UDP (no TCP on 53).

What is the relevant iptables command for that?
  Topic: New Build 42617: 03-05-2020-r42617
danielwritesback

Replies: 61
Views: 14250

PostForum: Broadcom SoC based Hardware   Posted: Mon Mar 09, 2020 9:53   Subject: New Build 42617: 03-05-2020-r42617
AC routers: Upper and lower are backwards in the 5ghz menu (cosmetic).
Workaround: Choose the reverse.

ARM specific: TurboQam on by default, no settings in menu.
Workaround: nvram set wl0_t ...
  Topic: ARP requests lost wired to WiFi
danielwritesback

Replies: 5
Views: 369

PostForum: Broadcom SoC based Hardware   Posted: Fri Jan 17, 2020 14:04   Subject: ARP requests lost wired to WiFi
For your WNDR3700 access point, you might want DD-WRT version 33006 for Atheros (or 33525 Broadcom K26 if WNDR3700v3). Also, for access point, you want to fill in the gateway (your router) and local ...
  Topic: Beacon numbers for radiation/congestion reduction settings.
danielwritesback

Replies: 6
Views: 1283

PostForum: Broadcom SoC based Hardware   Posted: Mon Dec 23, 2019 22:27   Subject: Beacon numbers for radiation/congestion reduction settings.
...I'm in an apartment complex with lots of signals flying around.
...
Just wondering about the client bridge interval issue.
For an apartment with wifi congestion, CTS to auto and lowering the RTS ...
  Topic: Advanced E3000 Debricking Questions
danielwritesback

Replies: 14
Views: 1588

PostForum: Broadcom SoC based Hardware   Posted: Fri Dec 20, 2019 23:42   Subject: Advanced E3000 Debricking Questions
Pin shorts are for causing the power light to blink. But, that doesn't help if it was already blinking.

You just need method 1 (TFTP): https://www.wallada.tk/fix-bricked-linksys-e3000-router/
an ...
  Topic: E3000 power light flashes
danielwritesback

Replies: 1
Views: 251

PostForum: Broadcom SoC based Hardware   Posted: Fri Dec 20, 2019 23:34   Subject: Re: E3000 power light flashes
I have 2 E3000 set up with ddwrt.
One is an access point only and connects to the first.

Seems when my daughter comes home with 2 laptops and 2 phones, the access point goes crazy and the power li ...
  Topic: Upgrading E2000 from v24-sp2 (08/12/10) std-usb-ftp
danielwritesback

Replies: 2
Views: 222

PostForum: Broadcom SoC based Hardware   Posted: Fri Dec 20, 2019 23:20   Subject: Upgrading E2000 from v24-sp2 (08/12/10) std-usb-ftp
DD-WRT 33525 K2.6 has working multicast for E2000.
This makes the printer/scanner features, screen casting, audio casting, and IOT's work right.
FreshTomato 2019.3 also has working multicast, t ...
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