I got a problem. I'm trying to update it but can't get into the configuration page (192.168.1.1). I tried resetting the device (I depressed the reset button for 65 seconds) but to no avail. Any ideas? :-)~MIKE~(-: On Sun, Oct 19, 2014 at 12:52 AM, Michael Butash wrote: > Vlan isolation, inside and outside for simplest of terms. Vlan 1 is > inside, Vlan 2 is outside. By nature, one cannot reach another, thus > Virtual LAN's. > > In the middle sits a bridge, and iptables mangles packets between them. > This is your nat, firewall, application inspection, etc. > > A process on the wan grabs a dhcp address, adds it outside, and a default > route to the upstream dslam or cmts. It also registers it as the external > address to nat your internal traffic as to the world, effectively hiding > your internal routable subnets. > > The inside vlan uses a private address, usually 192.168.1.1/24 by > default. This gives you 253 usable address, and gives out a subset of that > via dhcp. When clients come up wired or wireless, they get an address from > the dhcp server when they broadcast for an address. > > Routers usually bridge the wireless 802.11 radio(s) to this vlan as well, > bringing them all into the 192.168.1.0/24 subnet on that vlan. The DHCP > server gives wired or wireless clients a local 192.168.1.0/24 address out > of the subset it hands out, including the gateway for the subnet (itself, > 192.168.1.1), and dns servers for it, again itself. > > They get a local dns server that is usually dnsmasq running on the router, > caching and forwarding to the upstream provider dns servers given > externally to the router when it gets its WAN address. It forwards your > requests on mostly. > > Wireless does some form of security, hopefully, letting client onto the > ssid with a pre-share key or some other. No wpa1, only wpa2+aes. Tkip is > exploitable, so is wps pin registration (easily crackable without > mitigation routines). > > Most routers these days use dd-wrt, or some variant, usually some oem > abomination hack of linux. Your wrt54g is like the granddaddy of dd-wrt > routers, see what generation it is and see if it's upgradable. Probably > doing yourself a favor upgrading the 10yr old firmware to something secure > anyways, keeping some foreign entity from redirecting your dns for bank > servers to snatch your credentials. > > Clear as mud? Google lots of those words. > > -mb > > > > On 10/19/2014 12:31 AM, Michael Havens wrote: > > so the port I'm wondering about is an input port then. I thought I read > that it is also a wan part. How does that work? Like I know the internet > is a wan but how does it work in this case? > > > :-)~MIKE~(-: > > On Fri, Oct 17, 2014 at 10:27 PM, koder wrote: > >> Mike, >> >> I have the same device in my networking system. My answer may not be 100% >> correct, but here is my SWAG: >> >> The device was designed to serve as a router with DHCP server >> capabilities, in other words it hands out IP addresses to requests that >> come from one of the output ports. >> >> You can access the device using its web page and turn that feature off, >> it then acts as a bridge router and the DHCP functioning will come from >> further upsteam, from your other router. >> >> The network will not function correctly if you have two different devices >> trying to pass out IP addresses using DHCP. Everything pretty much quits >> talking to each other. >> >> While I have never tried using the device by plugging everything only >> into the output ports, I am guessing that connection setup would use the >> device as a bare dumb switch. No more double DHCP, only happy connectivity. >> >> I am reasonably sure my explanation is not technically correct, but is >> functional. I was quite loose with input, output, upstream, and downstream >> analogies, but that is the way I think of them. >> >> By the way on a separate item, it is my understanding that most of these >> devices are hacked and infected and should be either upgraded, or replaced. >> I have yet to do either, but I think that is the case. >> >> HM >> >> >> >> On 10/17/2014 03:08 PM, Michael Havens wrote: >> >> That is the router I have. On the back there are 4 LAN ports and >> another port labled Internet. My setup had the cable from the modem feeding >> into that port and everything worked until a couple of days ago. Today I >> switched that cable to a LAN port and everything worked again. I asked in >> another thread the purpose of the internet port and MR Butash gave me an >> answer but it is still a lot hazy. In my research to answer the question >> myself I found a wikipedia article that states: >> >> The original *WRT54G* was first released in December 2002. It has a 4+1 >> port network switch (the >> Internet/WAN port is part of the same internal network switch, but on a >> different VLAN ). >> >> My questions: What is that port for if not to be an input port for the >> internet >> and >> Why was it working as an input port for the internet and why did it stop >> working as such? >> :-)~MIKE~(-: >> >> >> --------------------------------------------------- >> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >> To subscribe, unsubscribe, or to change your mail settings:http://lists.phxlinux.org/mailman/listinfo/plug-discuss >> >> >> >> --------------------------------------------------- >> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >> To subscribe, unsubscribe, or to change your mail settings: >> http://lists.phxlinux.org/mailman/listinfo/plug-discuss >> > > > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org > To subscribe, unsubscribe, or to change your mail settings:http://lists.phxlinux.org/mailman/listinfo/plug-discuss > > > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org > To subscribe, unsubscribe, or to change your mail settings: > http://lists.phxlinux.org/mailman/listinfo/plug-discuss >