SSL VPN and Dynamic DNS - ddns on IOS

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• WRV200/Quick VPN and dynamic DNS

  Linksys supports States that I need to contact verizon DSL to get a public IP address and set up a "bridge connection" in the DSL modem.  I would try even when using dynamic DNS.  If someone is successful with this change I would appreciate some tips

  To use the dynamic DNS on the WRV you will need a public IP address on the WRV and for what the modem needs to be filled. This brings you straight to where you already are.

• RVL200 - SSL VPN and firewall rules

  Forgive my ignorance, but I have been immersed in the configuration of this device RVL200 to allow Remoting SSL VPN to a customer site, sight unseen.  I have the basics of the VPN set up in config, but now move the firewall rules.  We want to block all internal devices to access the Internet, but I don't want to cripple the remote clients that will be borrowed by blocking their return via the SSL VPN traffic.  This leads to my questions:

  (1) a rule of DENIAL of coverage for all traffic OUTBOUND will prevent the primary function of the VPN (to allow the administration away from machines on the local network)?

  (2) if the answer to #1 is 'Yes', what ports/services do I need to open the side LAN?

  (3) building # 2, configuring authorized outbound rules apply only for VPN clients, rather than all the hosts on LAN?

  (4) as the default INCOMING traffic rule is to REFUSE EVERYTHING, do I have to create a rule to allow the VPN tunnel, or guess that in the configuration of the router?

  Here are some other details:

  • The LAN behind the RVL200 is also isolated LAN in a manufacturing environment
  • All hosts on this network have a static IP address on a single subnet.
  • The RVL200 has been configured with a static, public IP on the WAN/INTERNET side.
  • DHCP has been disabled on the RVL200
  • Authentication to the device will use a local database.
  • There is no such thing as no DNS server on the local network
  • The device upstream of the RVL200 is a modem using PPPoE DSL, and the device has been configured for this setting.
  • Several database of local users accounts were created to facilitate the SSL VPN access.

  I worked with other aspects of it for a long time, but limited experience with VPN and the associated firewall rules and zero with this family of aircraft.  Any help will be greatly appreciated.

  aponikikay, there is no port forwarding necessary to the function of the RVL200 SSL - VPN.

  Topic 1. That is not proven. It shouldn't do. The router should automatically make sure that the SSL - VPN router service is functional and accessible.

  Re 2. No transfer necessary. In addition, never before TCP/UDP port 47 or 50 for VPN functions. The TCP 1723 port is used for PPTP. UDP 500 is used for ISAKMP. You usually also to transmit TCP/UDP 4500 port for IPSec encapsulation.

  Let's not port 47. ERM is an IP protocol that is used for virtual private networks. It is a TCP or UDP protocol. GRE has 47 IP protocol number. It has nothing to do with TCP or UDP port 47. TCP and UDP are completely different protocols of free WILL.

  It goes the same for 50: ESP is the payload for IPSec tunnels. ESP is the Protocol IP 50. It has nothing to do with TCP or UDP port 50.

  'Transfer' of the GRE is configured with PPTP passthrough option.

  'Transfer' of the ESP is configured with IPSec passthrough option.

• SSL VPN and ipsec

  For CISCO1841-SEC/K9, ssl and ipsec vpn connection vpn how, we can make and? The datasheet is not any specific number.

  Thank you.

  Dijoux

  With the PIX and ASA, the number of peers is specified in the license and limited to the number specified in the license (so in support of peers, you must update the license). From my experience of the IOS application does not bind the number of peers for what anyone in the license. So, if you buy a feature set for IOS router supports IPSec/SSL VPN, then this is your license for IPSec and SSL peering (no separate license is required).

  HTH

  Rick

• Internet connection sharing and dynamic dns.

  Hi all.

  Thank you for taking the time to read my message and respond. Much appreciated :-)

  I have an old machine to windows xp with a usb key with an internet connection while I wait for my fiber :-)

  I also have another piece of equipment connected via a crossover cable and they share internet and local traffic.

  The other piece of equipment has a service that is running on what I can access locally, but I wish I could use around the web.

  I have signed up for a dynamic dns account and have a host name.

  I've assigned my public ip address for the host name, then im stuck. I tried several times and countless forums but I can't get my head around dynamic dns process. Can someone inform me?

  the service runs on a particular port, and I know that I need to port forward, but I normally would in a router and I'm wundering is there a way to do it under windows?

  Any help would be appreciated.

  And I know diet teaspoon is not an option.

  Thank you
  H

  Hi Haehjen,

  You will need to open the ports in the security software installed on the computer for the task you want to perform.

  Windows Firewall may block some programs to communicate on the Internet after you install Windows XP Service Pack 2

  http://support.Microsoft.com/kb/842242

  How can I turn on or turn off the firewall in Windows XP Service Pack 2 or later versions?

  http://support.Microsoft.com/kb/283673

  Distance issues, I would say that you post your question in the TechNet forums.

  http://social.technet.Microsoft.com/forums/en-us/categories/

• SSL VPN and access to computers by computer name

  I have a SonicWall TZ 205 running SonicOS Enhanced 5.9.1.0 firmware - 22o. It seems that I have things to work except solve computers by computer name. Since the client SSL VPN Extender I can ping machines, I can reach their actions through \\192.168.1.12\myshare for example but not of \\mycomputername\myshare. I tried enabling NetBIOS settings but still does not. Thoughts please.

  Thank you

  OK so in this case you can resolve names of machine by completing the "Wins servers" section in the same pop-up down (if you have a wins server).

  Often the DNS servers are also the wins servers.

  If you don't have a wins server, then will not work without creating files on each machine that needs to resolve the name of the host computer.

  Technical Net Bios is not a routable protocol

• SSL VPN and Windows 7 32 bit

  I wonder if it is possible to have 2 SSL VPN client running simultaneously at the same time. When I'm working out of the site, I have to do the following:

  1. I call Array SSL VPN network to connect to the corporate network. I need it to be able to read emails.

  2. I invoke some other developed internal SSL VPN client to connect to the customer's network. This is necessary to get access to access the Citrix customer environment.

  When I run the 2nd SSL VPN, my vision behaves erratically as the gel or the loss of connection to the exchange server.

  SSL VPN network table is a SSL VPN split, which means that it routes web traffic of the company and nothing else.

  Developed internal SSL VPN is configured to route specific IP range.

  I wonder if there is any limitation in Windows 7 32 - bit OS that prevent me to simultaneously run 2 SSL VPN clients.

  Appreciate your comments and your support.

  Hi SamPersis,

  Your question of Windows is more complex than what is generally answered in the Microsoft Answers forums. Appropriate in the TechNet forums.

  Please post your question in the Windows 7 IT Pro TechNet Forums: http://social.technet.microsoft.com/Forums/windows/en-US/home?category=w7itpro

  Thank you.

• SSL VPN and routing problem

  Hi all

  I have a strange architecture including VPN and I have a few problems that I am not able to solve:

  -J' use the ssl vpn gateway to allocate internal IP addresses of the local network described in the schema (8.8.2.0 or 8.8.3.0 according to the tunnel-group network.

  -The purpose is for vpn clients directly access the internal network.

  This works very well if there are strictly internal communications within the network. But recently, we have installed an application that needs to access both networks. No problem, I thought, but I was wrong, there seems to be a problem of routing inherent in the architecture in place.

  Let me explain the problem:

  -When I access the VPN, for example I will gave the 8.8.3.5 ip address.

  -Im running the application that needs to open a page on the web server, located at 8.8.2.120

  -l'asa receive my tcp syn datagram and forward it directly to the directly connected interface fa0/1 (based on the routing table)

  -the web server returns the response, but he sends on its default gateway which is the cisco 6509.

  -6509 it sends its vlan svi 2000

  - and finally the ASA it receives on its interface fa0/2 but seems he falls as she opened a tcp on fa0/1 connection and receives the response on fa0/2.

  I want it's traffic by tunnel to bypass the connected roads and transmit it to a default gateway of tunnel. This would ensure that the path for the request and the response would be the same.

  I would like to know if there are orders of debugging for routing decisions validate my theory?

  Do you know of any response to solve this problem?

  Thanks a lot for your help.

  When you configure the TCP State derivation always think ' which way is the SYN package coming?

  Routing failed messages always have source and destination, are of course copied the entire message?

  BTW, instead of letting clients SSL addresses attributed to vlan2000? Why not give them a separate subnet and the road back via correct interface?

  I would also check your config and the routing :-) table

  Marcin

• SSL VPN and RSA on demand tokens

  Hello

  I tried scouring the web and can't find anything on how to get this working. We have our SSL VPN using RSA atm but would also like to be able to use the version on request as well.

  I was not able to find any doco on how to enable this.

  Any help in pointing me in the right direction would be thank you much

  Kris,

  Any name of username/password authentication is (nearly) transparent to ASA.

  ASA or any device authentication sends a request containing the credentials to the back-end server that meets the acceptance, rejection or in some cases, a challenge.

  A notable exception side RSA's Adaptive Authentication (sometimes called tokenless) that requires further customization on the SAA.

  The people on the side RSA are a smart bunch they can usually answer how their solution integrates with different vendors/solutions. If I am that prepare properly (that I could find with a quick query) there is no additional considerations side ASA save to set the right server and point it as the service of the methods (and if any NAT/ACL to allow users access to the server where you can request the token to send - usually in a zone demilitarized).

  I am based on:

  http://www.RSA.com/products/SecurID/datasheets/9240_SIDODA_DS_0310.PDF

  and

  http://www.RSA.com/experience/SID/OnDemand.swf

  M.

• WRVS4400N and dynamic DNS

  I need assistance with my WRVS4400N (its Firmware Version on: V1.1.03, I think that the more recent on this product) with VPN.

  At one end of the IPSEC VPN is this router. three other ends are WRV210.

  I noticed that if if I have a site that has an ISP who changes IP very frequently (in this example 2 site), the problem is that the WRVS4400N will know the new IP address on the summary page, but retain the old IP on the configuration page.

  Here's what I mean.

  (1) if I set up the following VPN will display.

  N ° name State P2 Enc/Auth Local Group remote control Remote Gateway
  1 place 192.168.1.0/24 BRANCH1 192.168.100.0/24 3DES/SHA-1 221.100.100.10
  BRANCH2 2 place 192.168.2.0/24 192.168.100.0/24 3DES/SHA-1 221.100.100.20< notice="" this="" is="">
  3 place 192.168.3.0/24 BRANCH3 192.168.100.0/24 3DES/SHA-1 221.100.100.30

  (2) if 2 PSI (short DHCP lease time) branch forced a change in intellectual property

  N ° name State P2 Enc/Auth Local Group remote control Remote Gateway
  1 place 192.168.1.0/24 BRANCH1 192.168.100.0/24 3DES/SHA-1 221.100.100.10
  2 Down3DES/SHA-1 192.168.100.0/24 192.168.2.0/24 221.100.100.22 BRANCH2< new="" ip="" is="">
  3 place 192.168.3.0/24 BRANCH3 192.168.100.0/24 3DES/SHA-1 221.100.100.30

  (3) what I'm doing is:

  (3A) go to change Edit, Branch2, the remote gateway IP/resolved by the DNS to IP/IP, and I see

  IP resolved by the DNS: branch2.dyndns.org---> IP address: 221.100.100.20 (note that it retains the old IP)

  I change to the new IP 221.100.100.22 and the tunnel will go up

  (3B) or simply reboot the router and the tunnel will go up.

  It seems that the problem is a bug in the firmware, when I really need to do something is the ' ipconfig/flushdns' line on the box.

  Is that what anyone has experienced the same problem?

  ======================================

  -Main WRVS4400N router-

  DDNS service provider: DynDNS.org
  Host name: main100.dyndns.org
  Internet IP address: 221.200.200.1
  Status: enabled

  Type of local security gateway: IP only
  Local Security Gateway IP Address: 221.200.200.1 (this sample provide by my ISP)

  Local security group type: subnet
  Local security IP address group: 192.168.100.0
  Local security group of subnet: 255.255.255.0

  Remote security gateway type: IP only
  The gateway security remote DNS IP resolved: branch1.dyndns.org (branch2.dyndns.org for the second, third branch3.dyndns.org)

  Security remote control unit Type: subnet
  Security group remote IP address: 192.168.1.0 (on second 192.168.2.0, 192.168.3.0 third)
  Group of security remote subnet: 255.255.255.0

  -Branch WRV210 router-

  DDNS service provider: DynDNS.org
  Host name: branch1.dyndns.org
  IP Internet address: 221.100.100.10 (first sample; 221.100.100.20 second 221.100.100.30 on the third)
  Status: enabled

  Local security group type: subnet
  Local group of Secure IP: 192.168.1.0 (on second 192.168.2.0, 192.168.3.0 third)
  Security group local subnet: 255.255.255.0

  Remote secure group type: subnet
  Remote secure group IP: 192.168.100.0
  Group secure remote subnet 255.255.255.0

  Secure remote gateway type: COMPLETE domain name
  Entry remote secure gateway: main100.dyndns.org

  This problem was solved when I upgraded to version 1.1.13.

• Difference between webVPN, SSL vpn and ipsec client

  Hello

  We just bought an ASA5510 and I am trying to understand the difference of the possibilities mentioned VPN. Can anyone describe the differences and use scenarios of all types of remote access vpn of the asa?

  Thanks in advance.

  Rgds,

  Rasmus

  Hi Rasmus,

  They use different SSH and IPSEC protocols, and there is also of course in terms of security.

  SSL is easy to deploy than ipsec. Imagine that you have 200 + users and to connect to the vpn, you must give them the pcf file and client software, which is not required in the case of SSL.

  Kind regards

  ~ JG

  Please note if assistance

• SSL VPN with dynamic IP

  Hello

  I want to configure a VPN SSL on an international search report which is to obtain a dynamic IP address from the ISP. I know that the static configuration using IP. How to configure this to a dynamic IP address?

  Kind regards
  Tony

  Hello Tony,.

  Just because u asked him

  Use the following syntax:

  WebVPN gateway x.x.x

  port IP interface giga 0 443

  In this case u get public ip address on giga 0,

  Be sure to note all the useful messages.

  For this community, which is as important as a thank you.

• See dekstops and dynamic DNS updates

  In general, I always do an ipconfig/release on the VM parent to make sure that its IP address is not carried over to the clones.  When creating, pool and virtual computers start, they are able to get an IP address and DNS name is registered.  However, the new virtual machine has without the permission of its DNS record, so it cannot dynamically update its DNS record.  I have to manully updated each DNS record, allowing each VMs computer complete object to its respective DNS record.  Obviously, it is not well-suited.  I did something wrong in the configuration or is this a problem with view 3?  Thank you.

  I see no reason for your question, but I don't have this problem because my XP SP3 virtual machines are their acquired DHCP quite happy with my DNS server addresses. Looking at permissions associated with a DNS record, virtual machine computer account has permissions specific, not hereditary, (write all properties, read permissions, all validated writes). They are in a non-persistent pool and I did not communicate the IP address before you close the image gold and taking the snapshot related clones are based on. Your master VM has been properly linked to your domain that I guess?

  ---

  If you have found this device or any other answer useful please consider the use of buttons useful or Correct to award points.

• SSL VPN and ZFW

  I came across a problem with the IOS from Cisco 881 15.1 M (or 12.4T2 also): Firewall area based blocks access to the anyconnect customer. Interface SSLVPN-VIF0 there but no way I can put it in any area. So, if I idsable ZFW - all right... I found several cases with the same problem - no solution from Cisco. CBAC is not a deal.

  A certain dissapoitment... If the same question will be with ASA5510 - I guess that $20K will go at the checkpoint.

  It should work fine.

  With Anyclient, the traffic will come through the WAN interface, then virtual-model and then only to the local network of the interface. So the solution is that you must create a box and asscoiate area to the virtual model.

  Given that the virtual model is no not part of any zone, anyclient traffic does not pass through the virtual model.

  Basically, we will have three areas now-, sslvpn entry and exit.

  Just do the following for these pairs of area

  in - box sslvpn > allow all IP traffic

  sslvpn area - to > allow all IP traffic

  off - box sslvpn > allow all IP traffic

  sslvpn out area - > allow all IP traffic

  You might be specific for traffic, if you know what is the IP address of anyclients.

  This should solve the problem.

  Regarding

  Kings

• Enable Mode user SSL - VPN 2 the safety of 1921?

  Hello

  Struggling to turn the tunnel of the 2 free"user" SSL - VPN on a 1921 Sec - K9 with IOS 15.1 (3) t. using CCP to the SSL VPN and SSL VPN Manager config and continues: "function assocaiated license (SSL_VPN) with this feature is not deployed on the device. You may be able to configure this device, but the configuration would not be effective as long as the license is installed. "Use the link below to install the license."

  I followed the link, but I can't activate one of the licenses. It shows also 5000 licenses user and 1400 + days for the valid periods.

  I haven't downloaded all SSL licenses, as I hope that the use of the so-called 2 user licenses, purely for the admin, who are apparently left in the IOS. I'm hoping to set up either WebVPN, or use the device purely for connectivity to admin and remote AnyConnect supports, therefore do NOT want to buy a bundle expensive license 10 users.

  Am I mistaken here? Should I download a license for this unit?

  Any help appreciated.

  Concerning

  Richard,

  I don't deal with licenses so feel free to double check me on that (with your local SE probably).

  Yes there should be 10 webvpn peers in SSEC-K9 license (I don't know if we always DRY - K9 licenses, remember reading something about this a few months back - empty

  ( http://www.cisco.com/en/US/prod/collateral/routers/ps5854/eol_c51_484275.html ).

  Out-of-the-box ASA will contain two licenses for premium webvpn functions.

  AnyConnect can do:

  -SSL VPN

  -IPsec (IKEv2 the only), recently he started work with IOS (previously it was only working with ASA) - Although the documentation is quite rare.

  HTH, but I would say, better ask your local SE ;-)

  Marcin