Some newbie questions and problems

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marian246
DD-WRT Novice


Joined: 12 Apr 2021
Posts: 2

PostPosted: Mon Apr 12, 2021 17:54    Post subject: Some newbie questions and problems Reply with quote
I just installed the firmware and I not know how to do some things or why is like this.

1. On the DHCP Clients the IP address is not assigned like the old firmware:
a) The start ip is: 192.168.1.100
b) The next assigned ip to PC is 192.168.1.130
c) The next assigned ip to Phone is: 192.168.1.143

2. How I can disable the Control Panel for other PCs, WI-FI.
+ I found how to make the IP static for the PC on Static Leases.
3. Why sometimes when loading a page and after the refresh the Control Panel (style/theme) CSS is not loading?
- I get an style.css:1 Failed to load resource: net::ERR_CONNECTION_RESET on browser console.
- Or when accessing the Access Restrictions page the white background is loading slow.

Router: WR940N v4
Version: DD-WRT v3.0-r44715 std (11/03/20)
Thanks.
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kernel-panic69
DD-WRT Guru


Joined: 08 May 2018
Posts: 14125
Location: Texas, USA

PostPosted: Mon Apr 12, 2021 18:52    Post subject: Reply with quote
Unless you specifically tell dnsmasq to hand out IP addresses sequentially, it will not do it by default.

Restricting WebUI, ssh, and telnet access to a single client has been discussed many times in the forum.

Your webUI issues are likely a combination of using a Chromium-based browser and co-mingling your internet browsing with webUI access. Firefox ESR portable or Pale Moon Portable for Windows; otherwise Firefox ESR or Pale Moon for Linux or MacOS; in private mode, no extensions loaded, and no surfing the internet from the same browser - also, clear your cache or use CTRL+F5 (command+shift+r on Mac). I think my TL-WR940Nv3 is on 46130 or 46220, I would have to go elsewhere to check as it is not local to me.

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marian246
DD-WRT Novice


Joined: 12 Apr 2021
Posts: 2

PostPosted: Tue Apr 13, 2021 9:34    Post subject: Reply with quote
How I tell it to make it sequentially. What I found is to to disable the "Use DNSMasq for DNS" and is not working.
If I clone the PC MAC to modem when connecting with the Phone it's make is 101, if I keep router MAC is 143.

Still not found how to restrict Control panel for all users instated of the one PC on settings.

On database I see the latest to be 44715.
egc
DD-WRT Guru


Joined: 18 Mar 2014
Posts: 12837
Location: Netherlands

PostPosted: Tue Apr 13, 2021 9:56    Post subject: Reply with quote
To get the best out of DDWRT and the forum read the forum guidelines with helpful pointers:
https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324087

If you have not already read the forum guidelines, please do !!

_________________
Routers:Netgear R7000, R6400v1, R6400v2, EA6900 (XvortexCFE), E2000, E1200v1, WRT54GS v1.
Install guide R6400v2, R6700v3,XR300:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=316399
Install guide R7800/XR500: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=320614
Forum Guide Lines (important read):https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324087
egc
DD-WRT Guru


Joined: 18 Mar 2014
Posts: 12837
Location: Netherlands

PostPosted: Tue Apr 13, 2021 10:08    Post subject: Reply with quote
How to restrict the control panel (GUI): use a strong password or better an SSH key

You can as an extra use iptable rules to restrict access see the wiki.

If you want a fixed lease make a static lease

Why do you want a sequential hand out of IP addresses?

Dnsmasq is designed to choose IP addresses for DHCP clients using a hash of the client's MAC address. This normally allows a client's address to remain stable long-term, even if the client sometimes allows its DHCP lease to expire. In this default mode IP addresses are distributed pseudo-randomly over the entire available address range.

You can have it hand out sequential leases with:
Code:
dhcp-sequential-ip


See: https://thekelleys.org.uk/dnsmasq/docs/dnsmasq-man.html

_________________
Routers:Netgear R7000, R6400v1, R6400v2, EA6900 (XvortexCFE), E2000, E1200v1, WRT54GS v1.
Install guide R6400v2, R6700v3,XR300:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=316399
Install guide R7800/XR500: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=320614
Forum Guide Lines (important read):https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324087
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