Question about D-Link NetDefend DFL-700 Firewall

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Exchange server access problem.

My office having Site to site VPN to Head office, my problem is, i can't access my Microsoft outlook from home thru Cisco VPN client. but no problem for accessing the internal network resource......our Exchange server is placed in the head office

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For me exist some interesting softwares for solving such issues. What is more couple days ago I had a similar problem, which I could solve only with the help one tool. It might aid here as well - recovery for exchange.

Posted on Jan 03, 2011

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If your cisco vpn client is behind the natted device then you need to allow nat traversal in the head office firewall and if you connect the vpn client through data card it will connect,

Posted on Mar 27, 2009

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1 Answer

Unable to access mailserver from out side my office


I have no idea what firewall you are using. Your posting is lacking crucial detail and that makes this almost impossible to answer you. However, I use a Cisco 5520 in a Data Center and i Host my own Exchange server. This is what you have to do to allow inbound and outbound SMTP traffic in that type of environment.

name (Internal IP here) Exchange description Internal mail server

access-list Inside_access_in remark Allow internal Exchange Server to send SMTP email outbound.
access-list Inside_access_in extended permit tcp host (Internal IP Here) any eq smtp

access-list outside_access_in remark Allow external entities to send SMTP email to Exchange Server
access-list outside_access_in extended permit tcp any host (Public IP Here) eq smtp

Hope this helps you.
Brian

Jun 29, 2010 | SonicWALL NSA 3500 (01-SSC-7016) Firewall

2 Answers

How to connect my MSSQL server through VPN by using PPTP


192.168.1.X is a local ip address ,, i trust that thhe vpn is in seperate places and is done with the wan ip over an internet connection?????

OK maybe the problem isnt on your side but the main office building,, when connecting , have someone looked for repeated attemps to connect by observing the fire wall,, if it appears to be blocked byu the firewall simply diasable any and try it out.. If it works then all you need to do is set the firewall correctly..

I was reading the ip address in your original post and those are local address,s are you certin the VPN is correct ???? did you use the correct STATIC IP ADDRESS ASSIGNED BY YOUR ISP??

Jan 20, 2008 | Cyberguard SG300 (00852503000366) Firewall

1 Answer

I have an older Cisco PIX 506 with two VPN connections. One links two offices (PIX-PIX VPN) together, another is for staff to access email & files. The file server on the local LAN the PIX is on are...


It could be a missing route... are the file server and email server on the same subnet? If they are then it is possibly not a routing issue.

Also it would be worth checking the tunneling settings for the VPNs... if you have specifed either only the fileserver subnet or specifically the file server address, then this could be the reason they can get to nothing else.

Hope that this has helped a little :)

Apr 09, 2010 | Cisco PIX 506E 3DES/AES bundle (chassis,...

1 Answer

How to routing router static ip address and local


Use the Sonicwall configuration wizard..

Please find below is to configure what ever you want.

Setup Wizard - This wizard will help you quickly configure the SonicWALL to secure your Internet connection. Once completed, you can use the SonicWALL Web Management Interface for additional configuration.

Registration & License Wizard - This wizard will help you register you and your firewall with mysonicwall.com and obtain licenses for additional Security Services features.

PortShield Interface Wizard - Segment and configure the integrated managed LAN switch of the SonicWALL.

Public Server Wizard - Quickly configure your SonicWALL to provide public access to an internal server.

VPN Wizard - Create a new site-to-site VPN Policy or configure the WAN GroupVPN to accept connections from the SonicWALL Global VPN Client
Thanks
..

Apr 22, 2009 | SonicWALL TZ170 (01-ssc-5740) Firewall

1 Answer

Setup Issues


You might have to create a custom exception rule for Outlook.exe, but this can create compromises to your overall security.
Please see article here and here and here and here
Also be aware that 3com has a support forum online that may be of some assistance if you can't get it work.

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!




Apr 10, 2009 | 3Com OFFICECONNECT VPN Firewall

1 Answer

Cannot connect to company email and network through VPN


Could you please explain me how to you are trying to establish the vpn its a site to site or site to client
another thing if you are connecting to head office through mobile user client behind any natted device you should enable nat traversal in your firewall then only i will works.

Mar 25, 2009 | WatchGuard Technologies WatchGuard Firebox...

2 Answers

SIte to site vpn/remote desktop


Open up the vpn client any any of the working machine, and then

click on

file>>save Prfoile>>give a name

Take a copy of that and paste it in your machine.

On your machine install the vpn client (Straight Forward Installation). Then

Click on Import Profile , Identify the location where you have pasted the profile (Which is copied from other machine).

You are done with that.


Mar 13, 2009 | Cisco PIX 501 Firewall

2 Answers

I want to create site to site vpn with sonicwall tz170+ 2003serv


Complete documentation is available on the below link

http://www.sonicwall.com/us/support/3134.html#heading_3139

Nov 17, 2008 | Sonicwall TZ 170 NFR (01-ssc-5564)...

3 Answers

Setting up a VPN through watchguard


The key with any VPN solution is to make sure that the configurations on both ends match. I am not very familiar with this particular product, but it looks like you need to have the proper VPN licenses installed first. There are two types of VPN you can do. 1) Site to Site - This is where the are two static boxes that you want to create an encrypted tunnel between 2) Remote User access - This is where mobile users connect to a central site over an encrypted tunnel from their home or on the road. Next, take a looks at the User Guide PDF here: https://www.watchguard.com/help/documentation/soho6.asp Chapter 10 tells how to configure the VPN on the Firebox side. You would just duplicate your settings if your doing option #1. Chapter 11 tells how to configure the VPN on the client side. This section would tell you how to configure the client software for option #2. Hope this helps.

Aug 29, 2006 | WatchGuard Technologies FireBox SOHO 6...

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