-1
votes
1answer
67 views

How do I know that my TCP connection is safe from the Firewalls/NAT?

Being on the Azure cloud, I found that the firewalls there drop connections between the Web server and the database quite often. Mostly when there was some inactivity, I think something between 5 and ...
0
votes
1answer
1k views

Newbie, need help deciphering firewall log files (Cisco ASA 5520)

I'm not very familiar with firewall log files, or many of the terms involved in server connections. The lines in question involve a foreign, unauthorized IP interacting with a firewall (Cisco ASA ...
0
votes
1answer
181 views

Can't connect to my own machine through public IP

I couldn't figure out why I can't make a connection through my public IP. When using a local IP it works. I have the proper firewall port exceptions, and my router NAT has the configurations for port ...
0
votes
1answer
136 views

opening firewall 1433 port to IP address that require a direct connection

We are upgrading from sql server 2005 to sql server 2008 and windows server 2008 R2. New server is behind a firewall, we have 30 or so windows XP machines, that will require the port 1433 to be ...
2
votes
1answer
74 views

postfix stops accepting connections from certain IPs

I had postfix up and running, and I think it was complete, although there was still a little testing to do. But at some point, it stopped accepting connections from my home computer. I tried to telnet ...
0
votes
1answer
1k views

Connecting To FMS Server Issues

I am trying to get my computer to connect to an Adobe Connect server but I have had no luck. The error that Adobe is telling me is "ERROR: FMS Server did not return correctly!" and have done some ...
1
vote
0answers
468 views

java.net.ConnectException: Connection timed out, Tomcat 7 and iptables

I am experiencing a weird problem.. Basically our Java developer said that in the java application the services that access the db to write on it get this error: java.net.ConnectException: ...
0
votes
1answer
91 views

connection hanging

I'm trying to get to the bottom of a connection problem. My payment processor uses port 4330 and has no firewall for incoming connections. My hosting company blocks this port by default but has ...
0
votes
2answers
833 views

Windows Server 2008 dropping connections [closed]

Possible quite similar to this post but I wonder if someone can help me with this issue. Home Server specs: Windows Server 2008 Standard (Non-R2) 2 NICs, external one(Realtek) has a firewall on it. ...
3
votes
1answer
4k views

PPTP connection fails with errors 800/806

I've got a client (Server 2008 R2) that won't connect to our production environment PPTP VPN server (Server 2003, running RRAS). The server is behind a firewall that has TCP1723 open as well as GRE. ...
1
vote
1answer
448 views

Can ping, can establish SSH connection in one way but not on other way

First of all, sorry about my english. We're facing a very strange problem with SSH connection between two specific servers. Let's say we have X1, X2 and Y servers. Where X1 and X2 are behind the ...
1
vote
3answers
525 views

How to track down connectivity drops

My company just changed it's old firewall (Zyxel ZyWALL 70) with a new one (Zyxel ZyWALL USG 300). Everything seems to be working fine but sometimes, in a non-periodic span of time, connectivity ...
1
vote
1answer
3k views

Unable to connect to APNS with java-apns

I've got a Java program running on a firewalled server that is intended to send push notifications to my iPhone app by using java-apns. Problem is, whenever I try to send a notification the library ...
3
votes
1answer
3k views

Can't connect to MySql server on remote server

Connecting to: CentOS v?? with MySql 4.?? in Nashville (example public ip=11.11.11.11) Stack: Cable modem as gateway > router with forwarding > CentOs Box Connecting from: Windows 2003 R2 in ...
1
vote
2answers
539 views

Native client connection from IIS to SQL Server 2005 through firewall takes over 30 seconds

I have a web server (IIS7/.NET 3.5 native client) connecting to SQL 2005 through a firewall. The server is on a cluster with a named instance configured to respond to the static port 1089. TCP ports ...
1
vote
2answers
622 views

How to have internet connection over VPN while “Microsoft Firewall Client for ISA server” is running?

I have the software mentioned in the title running on my machine. When I connect over VPN to my company's network, my internet connection gets borked, because somehow the ISA firewall blocks it. This ...