Cisco WAN :: WRVS4400N - External Web Server Can't Connect To Internal SQL Database

Jul 4, 2011

I have a hosted web server that has a website on it that needs to connect back to a database within our internal network. We have a Cisco WRVS4400N Wireless Router with 2 VLANS. VLAN 1 goes to a Watchguard Firebox which is connected to our internal network. VLAN 2 goues to our classroom network.
 
Our database is on VLAN 1. I have opened port 1433 on the Watchguard to allow SQL traffic from our Web Server. I can telnet from my workstation on VLAN 1 to the Web Server over port 1433, so I know the Web Server is not blocking anything. When I try to telnet from the Web Server to our Public IP address over port 1433, it fails.
 
I believe I have the firewall on the Cisco WRVS4400N off, so it shouldn't be blocking any traffic, but for the life of me I can't get this to work. I have been working on this for two days, and I NEED it to work. This was working up until last week, then it quit working. I am the only person making changes to our network, and there were no changes made during that time.

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Cisco WAN :: ASA 5505 - Assign External IP To Internal Server?

Mar 2, 2012

I have 3 external ips from my isp:

222.222.222.221
222.222.222.222
222.222.222.223

The first one I use to provide internet access to my office. The other two I'm going to use for the following: I'm going to deploy a server in internal network which must have 2 external ips on his network interface (& one internal ip on the second,but that's ok: I cannot put an extra network switch before asa & plug this server there: this server is virtual & is on esxi host in internal network. External ips must be assigned to servers' interfacw,bot just forwarded there (ms direct access requirement).

My current config:
 
!
ASA Version 8.4(3)
!
hostname msk-office

[Code]....

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Cisco Firewall :: ASA 5510 - Connecting To External IP Of Internal Server

Sep 25, 2012

I was just wondering if it's possible with an ASA 5510 to connect to the external IP address of an internal server from inside the network.  I have already set up dns doctoring for dns lookups, and everything is working fine there.  We have an application inside the network that tries to connect straight to the external Ip of another internal server.  where to look in the ASDM 6.4?

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Cisco Firewall :: 6500 Separate Internal Server / HQ Network From 3 / 4 Different External Connections

May 21, 2012

I am using a 6500 with FWSM. I need to separate an internal server/HQ network from 3 or 4 different external connections. The external networks do not necessarily need to be isolated from each other.I have the option of using a 3 layer model: L2 Access layer to SVIs on the Distribution layer and then L3 to the 6500.L2 Access, connecting directly to the 6500s, with the SVIs on the FWSM.Is it better to have the FWSM outside the MSFC or Inside? Am i correct in thinking that "inside" vs "outside" is determined by whether the SVI's are configured on the FWSM or the MSFC? is there any performance impact from having the FWSM doing the routing instead of the MSFC.If the vlans are all configured on the FWSM, what is the 6500 doing, other than providing switch ports?

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Connect Using Rdp From External To Internal Ip?

Jun 20, 2011

i can can ping my host externally from another ip however i have left my house without port forwarding to my pc is there a way to connect to my pc via something like this command "xxxx.dyndns-home.com:192.168.1.100" i have tried this and does not work as it does not like the ":"truth be told my real goal is to ultimately be able to look at my webcam as it is pointed at a homebrewing project which i need to see. this is what i want to work on setting up while in rdp?

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Cisco AAA/Identity/Nac :: ACS 5.1 Updating Internal User Database?

Jul 4, 2011

Using  a CSV file, I can not add user in the internal database of the ACS I have a permanent "error File Format Validation Failed" However the file I want to import is a really CSV file.

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Cisco AAA/Identity/Nac :: LDAP Or AD For External Database - Secure ACS 5.2

Sep 27, 2012

I am working on project with Secure ACS 5.2.  I am trying to determine the proper External Database to use.  LDAP or direct to AD?
 
Additionally, the Domain that I am connecting to has Multiple sub domains.  All of the users are currently in the Sub domains, but will be moving to root domain later.  How should I configure the connection, do I need to connec to each sub domain or can I just connect to the root?

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AAA/Identity/Nac :: ACS5 Try To Authenticate User In External Database

Jan 16, 2012

Is it possible to create on ACS5 rule which will:

1. Try to authenticate user in external database1 (radius)
2. When external database1 returns FAIL (because of bad password) ACS5 should try to authenticate user in another external database2 (radius)

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AAA/Identity/Nac :: CSACSE-1113-K9 / ACS 4.2.1.15 External User Database

Mar 9, 2012

Having CSACSE-1113-K9 with ACS 4.2.15.I want to configure windows user database under extrenal user database but i get an error  (attached) 'An error has occured while processing the Authen DLL Configure pagebecasue an error occured.I tried to stop the services and start agian but the same issue. The eappliance is secondary (backup) ACS. On the primary it is working fine.

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Cisco VPN :: ASA5500 - User Authentication ACS By Adding External RADIUS Database

Feb 28, 2012

I would like to configure the below setup:
 
End user client (Cisco Any connect/VPN client) -> ASA 5500 (AAA client) -> ACS server -> External RADIUS database.
 
Here ACS server would send the authentication requests to External RADIUS server.So, i have added the external user database (RADIUS token server) in ACS under External databases.I have added AAA client in Network configuration (selected authenticate using RADIUS(VPN 3000/ASA/PIX 7.0) from the drop down.
 
Here how do i make ASA recognize that it has to send the request to ACS server. Normally when you use ACS as RADIUS server you can add an AAA server in ASA and test it.But here we are using an external RADIUS server which has been configured in ACS, so how do i make ASA to send the requests to ACS server?

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D-Link DIR-825 :: Unable To Connect Through External IP Back Into Server On Applications?

Aug 7, 2011

Just updated to the 1.01 firmware on my DIR-815 and now it doesn't handle loopbacks anymore.

For instance, I have a dyndns address of ericnewton76.dyndns.org.  This points to my router.  Works fine if you're NOT within the router's internal network, ie, outside hosts can get in just fine (try it... http://  , you'll see an IIS7 welcome screen)

However, when INSIDE the network, the requests don't get connected properly, and they used to... ie, I work with code, so my svn repo is at ericnewton76.dyndns.org/svn but inside my network it doesn't connect properly anymore (whereas it used to before firmware update)

So now I wish I could back-peddle to 1.0 firmware.

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Linksys Wireless Router :: WRT350N Can't Get App To Connect To Server Via External IP

May 23, 2012

I have a Linksys WRT350N which I am trying to use an app on my iPhone to connect to my server using the public/external IP of my cable modem. I have the necessary ports opened and also tried adding the server to the DMZ but no matter what I can not get the app to connect to my server via my external IP when I am on my WiFi. I can connect without any problems if I use the NATed IP on the server when my phone is connected to the WiFi. It also works fine connecting to the external IP if I am on any other WiFi or the cellular network (which shows ports are forwarded correctly). I just can't connect to the server when I use the external IP and I am on my WiFi network. This is annoying as I need to keep changing the app's settings back and forth between the external and internal IP whenever I am home or away. I am left thinking this is some kind of issue with the WRT350N not allowing local internal traffic to reach the external IP. Any way to resolve this, maybe by entering a static route?

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Cisco Routers :: WRVS4400N Accessing Local Services Via External IP?

Aug 7, 2011

Recently I'm having issues with accessing local services via external IP. Short description of configuration:
 
- sub.mydomain.com pointing to my external IP.

- few web services running on my local server with reverse proxy on Apache 2

- firewall on router enabled

- ips on router disabled

- single port forwarding: WAN 80->Lan 443, WAN 443->LAN 443

- accessing my services via sub.mydomain.com/service1, sub.mydomain.com/service2, etc

- I had to create a new rule in internet access policy allowing LAN, any, any to
 
Basicaly if I go no matter if I type http or https I will be redirected on 443. That configuration has beed working without any issues for a month. Recently I have increased the amount of DHCP users and suddenly it's not working any more. I can still access my services from outside but not from LAN.Restarting router does the trick for a while,sometimes for few minutes, sometimes longer.Enabling IPS is the way to go but then I'm limited to around 22Mbit/s. I have no idea what happend.What I can't understand that it was working, suddenly it's stopped and there are two solutions, either to enable IPS or to restart router?

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Cisco Firewall :: NAT Two Internal IPs To One External IP In ASA 8.4?

May 6, 2013

I found a link to accomplish this on the old code but how can I get this done on 8.4. 

[URL]

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Cisco WAN :: 2600 - External To Internal IP NAT?

Jun 10, 2013

I have a 2600 I am trying to setup for educational use. 
 
My Cable ISP has issued me 5 routable IP's through their SMC modem 86.28.12.226-229.  The SMC modem is .225.  Currently the internal network can get out through .229 as expected but nothing outside (tcp 80 to web server) can get through.  When I assigned the ip's to e0/1 as secondarr I could get it to route from the inside network (so hitting .226 80 went to the correct place) but it still didn't work from the outside - plus I read that wasn't a great way to do it anyway.

!
interface FastEthernet0/0
description LAN Interface

[Code].....

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External IP To Internal Device?

Sep 22, 2012

I have a checkpoint Safe@Office 500 firewall router, connected to adsl via another adsl device in bridged mode.We needed to assign an external IP to a device behind the firewall.We contacted the ISP, and now they have assigned an additional IP to our adsl account.I have read from the documentation that:"NAT can be defined automatically via the network object (Node, Network or Address Range). When you define NAT via the network object, rules are automatically added to the Address Translation Rule Base"....so I add the object, with the external IP given to us by our ISP, and the wizard simply complains that the IP address is invalid.My thoughts are that the router does not know about the additional IP provided by our ISP. If so, how do I tell the router that there are other IP addresses available to use? I have rebooted the router, and no luck.

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Cisco Wireless :: Setup WRVS4400N To Isolate Guest Totally From Internal SSID

Jan 25, 2011

A query here with regards to Wireless isolation between SSID and wireless isolation within SSID.If we have 2 SSID, eg. InternalSSID, GuestSSID on AP1.Both SSID are set to Enabled for isolation between SSID, and within SSID, that would mean all machines connected thro' this AP1, would be isolated from one another.
 
1) If there's 1 laptop that connects to another AP, lets call it AP2, (doesn't have isolation function) on ssid01. Would this laptop still be isolated from those that connects to the first AP?
 
2) If there are wired PCs connected to the router. And the 2 APs are connected to the same router. Would the machines connected thro' the AP1 on either InternalSSID, GuestSSID be able to access those wired PCs? (My assumption is yes.)
 
3) Is there a quick and efficient way to setup on WRVS4400N to isolate GuestSSID totally from InternalSSID, and wired PCs. InternalSSID and wired PCs should be allowed to 'see' one another.

The challenge here is that, the network points are all installed already. Both AP are connecting thro' 2 separate unmanaged switch together with a couple of other PCs. 1 Port on the unmanaged switch, each,connects to the router.

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Cisco :: ASA5505 Change SIP Internal Address To External One

Sep 15, 2011

The problem is that the PABX is sending out an internal address in it's INVITE messages and the ASA5505 isn't changing the internal address to the external address.We need> From: Calling Number <SIP: SIP Username@Public IP Address>However our PABX sends out> From: Calling Number <SIP: SIP Username@Private IP Address>. How to translate the internal IP address to the external IP address on an ASA 5505?

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Cisco Wireless :: 2504 - Using Both External And Internal DHCP On WLC

Nov 25, 2012

I am wondering if the folowing is a valid configuration:

WLC2504
AP2600
 
I need 3 SSID/VLAN, 1 for corporate devices, 1 for coporate smartphones, 1 for guest.

Port 1 on the 2504 should be used for management and corporate devices and connect to the corp network. Port 2 is for smartphones/guest and will be connected to a Cisco ASA 5515 that is connected to a second ISP.
 
Corp devices should get IP from an Windows DHCP. Smartphones/guest should get IP from the WLC. Is this possilbe? I read this in a document "To use the WLC as a dhcp, you need to enable DHCP proxy as it is required." Some how I am imagining that this will mess with the Windows DHCP. Is it better to use the ASA as DHCP for smartphones/guest?

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Slow To Access Internal Sites Via External IP

Jul 17, 2012

Our secondary site accesses the internal intranet via a link, which is basically:

[URL] where externalip is the IP address of my router.

* This used to work fine before we migrated from ADSL (6mb up / 0.5mb down) to Fibre(70mb / 20mb) *

Internally, I access the same link, but via [URL] Internally it loads in 2 seconds, externally it is taking 68seconds(ish)..

I can't work it out, the fibre shouldave made things loads quicker but is infact very slow. I'm wondering if something network wise is going on.

The intranet is a php intranet sitting on apache, and using postgresql as the database. Other pages load fine, this specific index.php page does quite a lot of DB connections and so on, but as I say before, it worked fine before the migration.

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IPConfig Is Not Recognized As Internal / External Command?

Jun 29, 2011

I can hear nothing sound driver disabled... windows explorer wont open...and my notepad and calculator wont work either... how do i remove it..

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Cisco Firewall :: Accessing Internal Sites Via External IP 5505

Jun 4, 2012

I have a Cisco 5505, 2 sites that are internal, 1 external IP (dhcp from cable modem).   While on my laptop, ipad, iphone, I cannot access the server via it's external IP address.  I MUST use the internal IP in order to access this site. I have heard of hairpinning, internal dns server(don't really want this).

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Cisco Firewall :: 8023 / External Access To Internal Router Via ASA

Dec 31, 2012

I am aware that we can allow external admins to telnet over a custom port to the internal router. Even i was allowed to connect to a remote router via the remote firewall. The way i was accessing the router is by telnet to the remote ASA address on port 8023.I am not sure how exactly we can configure this on a ASA.

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Cisco Firewall :: ASA 5505 Internal Address To Forward From External One

May 30, 2013

I have an old ASA 5505, and I'm having some trouble with Nat Hairpinning. I've done this with other firewalls before and I am having no luck now. I have an internal address that I wish to forward from an external address- so if someone goes to 123.456.789.012:3456 then it will forward to 192.168.1.244:92 (All numbers are arbitrary here- only for illustration). I have and Access Rule and NAT and PAT set up so that I can get in if I originate from outside the LAN. What I am trying to do is to have this work from inside the LAN as well- so that if I am at my desk, and I connect a device and type in 123.456.789.012:3456, it will deliver the content at 192.168.1.244:92. The problem I am having is that it just isn't working, and I cannot figure out why- When I started here, there was an address configured to work this way, and it still works- I just cannot find what is different between what I am doing and what the person who configured it did.

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Cisco Switching/Routing :: ASA5505 / Route External IP To Internal IP

Mar 20, 2013

I have an internal DVR system that I am trying to share to the outside world.  We recently put in an ASA5505 and I am having trouble getting the settings correct.I want to use an external IP to access the DVR system from anywhere and have my ASA5505 redirect the traffic to the internal IP address.  I assume I need to use a NAT and a route policy however can not figure out how it would be. 

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Cisco Wireless :: 5508 Office Extend Internal External?

Dec 18, 2011

I am having an issue with internal and external clients. When we have the nat ip configured on the controller we cannot connect internal ap's at all. When we take the nat ip out it works fine. We are on code 7.0.220. I have tried the following command  <config network ap-discovery nat-ip-only disable> and it did nothing.

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Cisco VPN :: ASA 5520 - VPN Clients And DNS Resolution Internal Or External Does Not Work

Jun 27, 2011

I have set up a remote access ipsec vpn on an asa 5520.  I can connect,  and ping internal ip addresses, however I cannot ping back out to the  internet, nor can the internal network ping the vpn clients and dns resolution internal or external does not work.  I am seeing nothing blocked in the logs on the asa.

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Linksys Wired Router :: RV042 / One-To-One NAT From Internal To External IP?

Mar 10, 2012

I am converting from a Cisco Model 850 to a RV042, all is well so far but I cannot implement one feature I had on the old router.I want to do one to one nat from one internal ip to one external ip but I only want to use one tcp/ip port.The command to do this on the old cisco 850 was this:"ip nat inside source static tcp 192.168.1.181 80 75.xxx.xxx.181 80 extendable"Can this be done with the RV042?I can do one to one nat but it include all ports.

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Linksys E3000 - Internal / External LAN Firewall Setup?

Oct 20, 2012

I have Astaro UTM running on an old computer as my only firewall right now. The Astaro also serves as my DHCP server. My Wifi is provided by a Linksys E3000 running DD-WRT software. NAT/SPI are disabled on the E3000, and it forwards DHCP requests to the Astaro. All my network clients connect via wifi/ethernet to the E3000.

All clients --> E3000 (no firewall) --> Astaro --> www

I am considering setting up my own personal cloud server using a Synology NAS that I can access remotely. I would also like to remotely access my Surveillance DVR. I would like to access them via VPN or portforwarding. I do not want to use DMZ.

I would like to utilize the SPI firewall on the E3000 to provide an extra layer of defense. I would like the NAS and the DVR to be on an external LAN between the Astaro and the E3000...and all other clients being on an internal LAN behind the E3000. I have the necessary switches/cables to make this work.

My question is...How do I configure the E3000? Can I have both the internal and external LANs on the same subnet? Do I have to use the NAT on the E3000? I'd rather not...since that will render the Astaro's reporting functions rather worthless.

I would like the Astaro to remain the only DHCP server. I would like all internal LAN clients to be able to reach out to the external LAN/WAN...but the external LAN should not be able to reach into the Internal.

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Cisco :: LMS 4.2.3 Database Backup On Server Is Frequently Failing

Mar 3, 2013

Database backup on the LMS server is frequently failing due to job conflict and we have upgraded the lms from LMS 4.2.2 to LMS 4.2.3 to fix this but no luck. same issue we are facing again in the 4.2.3.

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Cisco WAN :: 2800 Setup Router To Resolve Both Internal / External DNS Requests

Jun 3, 2012

I have a 2800 with one Gigabit interface connection to our Lan and the other interface connected to the internet with a public IP address. Now I'd like to setup the router to resolve both internal and external DNS requests. Thus requests like www.google.co.za and LocalLanPcName should be resolved to their public and private IP's respectively. [code] When I ping any name the only DNS server that is ever queried is 192.168.1.200 (it does resolve internal name correctly though).

None of the other servers are attempted to resolve the name. It does not matter if I specify a FQDN or not.
 
How do I setup the router so that my internal resolution is handled by 192.168.1.200 and .201, while external resolution is handled by 41.160.36 and .37. Or alternatively, how do I configure it to at least try all 4 specified name-servers for resolution, and not fail after trying the first one unsuccessfully.

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Cisco Switching/Routing :: 6509-E Compact Flash Internal Vs External

Oct 27, 2011

6509-E compact flash Internal vs External

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Cisco Routers :: RVS4000 / How To Make External IP Point To Internal Address

Nov 29, 2011

Basically I have a group of static public IPs and I need one of them to point to an internal server IP address. This is for the RVS4000 router.

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