D-Link DIR-615 :: Routers With NAT As Part Of Their Security Configuration?
Dec 29, 2011
I've noticed that many people have routers with NAT as part of their security configuration. What NAT is/does? Also, I entered the router's settings and went to Advanced > Firewall > NAT ENDPOINT FILTERING .There are 3 options specified for UDP/TCP Endpont Filtering; they are:
Endpoint Independent
Address Restricted
Port and Address Restricted
What are these options? I downloaded the manual for the router but it doesn't mention what NAT, Endpoint Independent, Address Restricted, and Port and Address Restricted are.
Side Note: I thought about setting up a secure connection using WPA2. Right not I'm using an unsecured wireless network. If I setup a new secure wireless connection using WPA2 will my current unsecured connection still be available?
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Jun 11, 2012
I have FWSM failover pair, Active/Active configuration, admin and another 4 context, few context active on first FWSM, other on second FWSM.I needed to add VLANs 51 and 52 to FWSMI created VLANs on both Cat6500, created firewall vlan-group 3 a and put "firewall module1 vlan-group 3" on both cat6500Then I log in in system space on primary FWSM and created interface VLAN.Created VLANs automatically occured in system space on Secondary FWSM.Then I wanted allocate VLAN 51 and 52 to context XY, so I went to part of configuration for context XY and "allocate-interface Vlan51" and "allocate-interface Vlan52".
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Aug 30, 2012
There are 6 part numbers for the RV180W router. What is the difference between them: wan access (Annex A,B ...) or other quality?
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May 26, 2011
I am having linking a computer to our SBS server. The computer in question is set in a warehouse on our site. We have a leased internet connection which is used on a number of different offices. The sbs-server has an IP address of 192.168.50.254 with a gateway Ip address of 192.168.50.1. The firewall on this network has an external IP of 10.50.0.37 with a gateway of 10.50.0.254 and this links to the leased line equipment. The external IP address for this network is 62.7.70.237. The PC in the warehouse has an IP address of 192.168.0.2 attached via a router to the leased line. The routers Ip address is 192.168.0.1, the external IP address is 10.50.0.55 and a gateway of 10.50.0.254. This links to the leased line and seems to have an external Ip address of 62.7.70.238. My issue is that I want the PC in the warehouse to be able to connect in some way to the SBS-Server. I cannot seem to access it via the external IP or the gateway (10.50.0.37).
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Mar 20, 2013
the small fan of a SRP541w seems to have 'melted' it's way out of it's casing. How to know part number for a replacement fan for this router?
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Feb 26, 2013
What is the part number of the power-supply of this router (WRP400)? [code]
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Aug 10, 2012
I have latest 3.3 dlink d-view cam software and a dcs-932l ip camera.I noticed the remote streaming and remote recorded viewing (ports 5150 and 5160) as part of the server software. I know if i browse to my ip of my pc it allows me to view both services on html via windows plugin visual basic addon. My question is what iOS app and Mac OS X app will allow me to remotely monitor my dviewcam softwares network service for both live view and recorded view.
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Aug 22, 2011
my router has a WPA security system and I want it to be a WEP security system, what must i do?
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Dec 14, 2012
I have webcams that need port 8081 opened and I did that, everything worked fine until my DIR655 jammed up and power cycling it and the modem 3-4 times DID not make it work: no internet access and it was definitely a DIR655 problem. So, out with the paperclip to do the big reset, causing me to lose my configuration. When "most" of it came back up with my new config (I had screen prints), all was okay EXCEPT the webcams. Addresses and ports were all configured properly, address was fixed too on the client computer rather than use DHCP. I had a DNS relocation service running (DYNDNS) for the WAN side, but that address (My IP) didn't change either. I tried EVERYTHING. Finally, I realized in all my screwing around that I had enabled UPnP in my application, something I hadn't done before, but did this time as a desperation move. UPnP had always been checked off in the router. So.....I REMOVED my port forwarding and virtual server settings (either one worked before), and voila, everything working, Is this a normal occurrence, that if you have UPnP running, that this auto configuration overrides any manual configuration?
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Feb 24, 2012
How to set upo configuration & Security after reset
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Aug 29, 2011
I try to configure PGM in my 2911 plattform but it was impossible. I tried with many 15.1 version that support this protocol.
Someone configured PGM over 2911 Routers? What does correct IOS for work?
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Aug 18, 2011
Our client ( a webhost, they have a lot of servers ) has a an older Cisco Pix, everything works fine with the PIX. They have a Cisco ASA 5500 with ASA version 8.3 , to replace the PIX. Upon migrating the PIX config to the ASA we are running into issues with Dynamic NAT. The static NAT entries are working flawlessly (there is a lot of them), however when Dynamic is enabled for the remainging hosts, outside communication works then drops off. The remaining hosts need outside access for updates. We have access lists set up but I dont se ehow that could cause a problem when the original ACL's were working fine with the PIX, they have not been altered.
The NAT config may be wrong or cluttered, have a look at the full NAT config.
The static NAT addressing is the same, example 207.11.129.65 will equal 10.10.10.65
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Jan 8, 2013
saw that we can secure ripv2 via authentication (simple and MD5) ,i undertand that simple is not quite secure because we can see the plain text when capturing RIP packets
however even with MD5 i can see the authentication data (output of MD5) and i think hacker can copy it and paste it in one RIP packet that he will generate !! isn't it ? so how much MD5 is secure ?
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Mar 10, 2005
I was given a 510 PIX Ver 6.3(1)to reconfigure but have no information on the existing configuration and need to wipe it clean and start over how can I do this to get back to the factory default settings. I have tried the "monitor>" but I don't know the IP address of the PIX interface.and am not sure how to do the setup for recovering the password.
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Mar 22, 2012
We have had an ASA5505 for close to two years. About a year ago, we added a second ISP ("BOB") which became our primary and our old one (SBC) became our backup. I successfully modified the config for this and it's been working well.
Now we're changing our primary ISP to Comcast and getting rid of BOB, so right now we actually have 3 ISPs coming into our building.
I removed the BOB interface and routes, then added an interface for Comcast using an IP address from the range they provided as well as a static route to the gateway they provided - everything is analagous to the previous interfaces and routes, but it doesn't work. If I physically disconnect the Ethernet cable going to the Comcast cable modem, then the ASA does fail back to the SBC interface as expected. If I put the BOB interface & route back in there, it works again through BOB.
If I connect a PC to the Comcast cable modem and use an IP/Gateway they provided, the Internet connection *does* work. Using this same exact IP info in the ASA doesn't work.
Is there some other configuration item besides interfaces and static routes that I should be modifying? Is there some way I can dig deeper into the ASA to see exactly what is failing?
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Oct 23, 2011
I save the configuration in the ASA 5505 using write memory or using copy run start but whe i unplug the power cord and plug it back in the ASA gets its factory default configuration.. then what i do is a copy start run to get the configuration active..
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Jul 3, 2011
I have got a working 5505 running 8.3.1 firmware and 6.3.1 ASDM.I have now purchased a second unit and ensured that both units are running the same firmware levels etc.
I have via the ASDM created a backup of the working units configuration, and now i want to load this configuration onto the second unit.I have connected the consiole cable up to the second unit and tried pasting in the contents of the configuration file but no joy.I want to ensure that my configuration will work on this unit before i configure the two units in Active/Passiove configuration.
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Feb 15, 2012
I used my Pix config to setup the ASA 5505.Everything seems to be right. I used ASDM to view settings and it seems right. I am missing something minor, but I am going blind looking at it.
I can remote into the network from outside, but internatlly I cannot get out of network. No internet or email is passing through.
: Saved
:
ASA Version 8.2(5)
!
hostname textasa
domain-name testcorp.com
enable password 579oWRzSY5syo9yt encrypted
passwd 579oWRzSY5syo9yt encrypted
[code]....
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Aug 21, 2012
i hav asa5520 i copying configuration from PIX to ASA5520 (7.2) everything working fine bt problem is that after sometime my DMZ interface losing connectivity ...
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May 18, 2011
i just deployed Cisco NAC version 4.8.1 Virtual Gateway OOB on a LAN envieronment and on a WLAN envieronment, it works fine for some users , they can authenticate via the agent or web page, and then they are redirected to the access vlan, But for some other users in LAN and WLAN , when they try to authenticate via agent or web page the following error appears:
Invalid switch configuration-OOB Error:OOB client "mac/ip" not found.
I tried to find some pattern for the users but it dont match any pattern.
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Dec 19, 2012
I have a problem exporting the config from a 1112 appliance.It does not boot up properly. GUI logon and authentication is not possible.I can console and SSH to it but the only thing i get is the commands below and nothing else.Could not chdir to home directory /home/admin: No such file or directory
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Jul 15, 2007
I want to put the asa5520 to the factory default please let me know how to do that. how to remove the configuration file from it.
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Dec 6, 2012
I recently configured WCCP with a Sophos Web Filter on my network it works good but the problem I am having is I have two 5520s so I am directing the device to look at 2 different IP addresses and since the devices are in an Active/Passive failover. The problem is because the second device is in a passive failover it is not responding which is throwing connection errors to my Sophos device. I know you can have a single management connection for the ASA's but is there a way to have a single IP for the ASAs for the WCCP?
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Apr 17, 2011
I'm having some issues configuring NAT statements on my ASA5505 which has recently been upgraded to 8.41.
I have a single dynamic IP on the outside interface of the ASA and would like all internal hosts to NAT/PAT to it. In addition, I would like to have several ports 'forwarded' to internal hosts, one of which is TCP/4343. With the current configuration all hosts are NATing to the external interface properly but the service running on TCP/4343 is not accessible from the outside. See command output below:
"sh run object" output:
object network DrJones host 10.81.220.90object network LAN-10.81.220.0 subnet 10.81.220.0 255.255.255.0
"sh run nat" output:
object network DrJones nat (inside,outside) static interface service tcp 4343 4343object network LAN-10.81.220.0 nat (inside,outside) dynamic interface
"sh run access-list" output:
access-list inside_access_in extended permit ip 10.81.220.0 255.255.255.0 anyaccess-list outside_access_in extended permit icmp any any echo-replyaccess-list outside_access_in extended permit tcp any interface outside eq 4343
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Aug 2, 2011
security configuration of the 1410 bridge and on how to test the bandwidth/throughput between two 1410 Bridges setup for point-to-point connectivity.
We have setup this in one of our Client sites.
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Jun 7, 2012
I have a problem exporting the config from a 1112 appliance. It does not boot up properly. GUI logon and authentication is not possible. I can console and SSH to it but the only thing i get is the commands below and nothing else.
login as: admin
admin@10.10.1.126's password:
Last login: Wed May 30 11:11:42 2012 from jsmith
Could not chdir to home directory /home/admin: No such file or directory
acs>
API called before initialised at V:ismg_israel_acsAcsEndPointCoreendpoint.cpp:395
Command Description
----------------------------------------------------
? List commands
exit Log off
help List commands
csutil -dumpadmin Dump Admin Audit Information
csutil -dumpgroups Dump Group Audit Information
csutil -dumpusers Dump User Audit Information
csdbsync -syncnow RDBMS synchronization
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Feb 23, 2011
I need to estimate the installation and configuration time of Cisco NAC (NAC Network Module spare for 2800, 3800 ISR) and Cisco NAC Manager(NAC Appliance 3315 Manager -max 3 Servers. There is some Cisco tool to estimate the installation and configuration time?
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Sep 8, 2012
I am implementing wireless lan controller for a customer's site. This site uses Cisco WLC2112 and AIR-LAP1041. I configure via start-up wizard and WLAN security configuration. The client joining via WLAN seems to work fine, able to browse Internet. But when adding a shared printer or sharing files, the machine's unable to find the computer name. When test pinging, it replies when pinging by IP only. This is not happened when using a LAN wire.
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Jul 18, 2010
I'm trying to configure the NAC Profiler with a 3310 CAS Collector. In the "Edit Collector" menú, it shows all the modules as "Running", except for the NetWatch module which shows a state "Invalid configuration file (missingInternalAddress)".
I configured the eth3 interface of the CAS as a monitor interface in the Profiler (see attached image), and I tested that the SPANed traffic actually reaches that interface from the access switch. I'm using software version 3.1.0_24 in both the Profiler and the Collector.
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Dec 27, 2012
We have a customer who has a network consisting of two ISPs, one as a primary and the other as a backup. We are trying to create a configuration that would allow the primary link to fail and the secondary link to automatically pick up traffic and begin routing .how to set something like this up. Both routers are non Cisco routers and there for HSRP is out.
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Oct 2, 2012
I have connected a 10BaseT device to a CISCO Catalyst 3560xPOE switch with dynamic port security. All seems to work fine when the distance between the two devices is closer then 200ft. When I connect to 10BaseT devices farther out near 300ft the response from the attached device is lost. It works ok on unmanaged switches at the longer distance. Is there a minimum response time from attached devices for dynamic port security to work properly? Is there any other explanation why it would work on cheaper switches, but not on the Port Secured Switch?
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Jan 23, 2012
How to know my asa 5505 Part Number
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Sep 29, 2011
I saw at the Linksys page and saw Access Point was under the Range Extender.Is the Access Point part of the Range Extender?
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