DS212J - Host Email Server On Synology?

Jan 20, 2013

Having a hard time hosting my email service on my DS212J. To be I honest, I have no idea where to start.

Info:

IP Address using Synology DDNS: example.synology.me
Domain: example.ca

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Cisco Routers :: Set Up Synology VPN Server Through RV220W / Cannot Get A Windows 7

Jan 12, 2013

I am trying to set up a Synology VPN server thru a cisco RV220W and cannot get a windows 7 VPN client to connect to it.  Access rule was created on RV220W to port forward 1723 and also made sure the same port was forwarded on the built in router on the Synology NAS box, running DSM4.1 and made sure VPN server was up and running.  IP address of synology NAS is 192.168.1.250, mask of 255.255.255.0.  DNSgateway is 192.168.1.1.  Only running PPTP at this time.
 
When I run the windows 7 VPN client, I try to connect to the external internet addres:1723, make surePPTP is the only protocol and use a DNS of 192.168.1.1.  When I try connect, I get an 868 error which says  "error 868:  The remote connection was not made because the name of the remote  access server could not resolve."
 
When I try to ping port 1723, I do not get a response which leads me to believe that the issue is the router and not the NAS box.  HTTP, HTTPS and FTP ports work fine.

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I have a question about NAT behavior on FWSM 4.0. The problem is email server (Company A) cannot connect to email gateway (Company B) on the outside network and it randomly happen. I got this error from server guy "Detail: xlate has blocked the connection between A’s mail gateway and B’s mail gateway". It work fine again after clear xlate on firewall. [code]
 
1. How FWSM create xlate table like that? I mean it look like NAT0 for 158.137.21.26 but it doesn't has any nat rule for 158.137.21.26 on firewall.
 
2. What does it mean "connections 24" at the first of line? In the normal time, I only see the connections is 0 like the second line of xlate
 
3. After clear xlate global 158.137.21.26, the first line of xlate table is gone then email server can connect each other. Does is a bug on FWSM? or This is a normal NAT behavior of FWSM.

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I have a Server 2008 server and a Synology DS1511+ Nas.The goal is to make an iSCSI connection from the Synology to the Server 2008 server. However, I am having an issue. I set this all up two weeks ago. For two weeks it was all running fine. Now, my iSCSI drive is dropping daily. And everytime I go into the iSCSI initiator and click anything, the server still allows me to do some things, but it basically locks up. I can't restart, services stop responding, etc... The only was I can break it out of that is a hard reset. Why iSCSI initiator keeps taking down my entire server to the point of hard restart? Once this is solved, I bet the iSCSI dropping daily will be solved as well. I have already talked with Synology, the log is producing nothing and they are suspicious that it has been running fine the past two weeks. Windows update is off (I manually do it during scheduled maintenance), and there is no av or firewall running, so rule those out.

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Nov 10, 2012

Currently we have the Synology DS212J system and that backups to the cloud as well.The problems are not being able to access it remotely easily, space, and the cloud integration is too slow and not reliable enough.

So we need a larger network, that is easily accessible remotely and backs up regularly. The main thing that will be taking up a lot of space over time is a lot of artwork files. A lot of these don't require on site network access, so if we had 30% storage local and the rest remote that would be fine, everything needs to be accessible remotely still though.

One thing I was looking into was Amazon storage gateway, it is pricey though so I'm wondering what other options there are. URL

Perhaps a larger NAS with different backup would work? It needs to run more seamless than the cloud is. We used Jungledisk before this which worked great with only a few users but we are now at 10+ users and growing.

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Jun 3, 2012

Up to this point, all the computers on the network accessed the e-mail server via the Windows name of the PC running the e-mail server.  However, one of the PCs will need to access e-mail from the WAN soon as opposed to the LAN, so I switched the server name in Thunderbird (e-mail client) to the actually fully qualified domain name of the server (registered at NO-IP, which redirects to the e-mail server at home).

The problem I am running into is that all the requests sent for IMAP or SMTP are being blocked by the router.  That's even though I added port forwarding rules for them.  The logs show messages similar to the following:

"Blocked incoming TCP connection request from 216.168.101.68:51291 to 216.168.101.68:143"

It doesn't make a difference if I change the endpoint filtering to "Endpoint Independent" either.  Any thoughts of what else I can try?  DMZ is not an option.

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Do I create an SMTP Network Object and send TCP traffic throught NAT?
 
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I told her that she would have to contact Comcast, as there was really nothing I could do to fix their email server returning an error. She wasn't too happy, and remained convinced that her router had something to do with it. It's a Netgear WNDR3700 or WNDR3800 that I setup for her last year, it's a fine router.Has anyone ever had a Comcast email server randomly start rejecting messages? I noticed that her outgoing email was set to use port 587 which seems like a nonstandard port and also no authentication, but I have no idea what the Comcast email settings are supposed to be.

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I am having two issues:
 
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2. Terminal Services does not work when I try from the home pc in I get server not available or disconnected

Below is my congig

ASA Version 8.3(1)!hostname wsigatewaydomain-name wsystems.comenable password yVSkMxWRc/S396FB encryptedpasswd 2KFQnbNIdI.2KYOU encryptednames!interface Ethernet0/0 nameif outside security-level 0 ip address 64.XXX.XXX.XXX 255.XXX.XXX.XXXinterface Ethernet0/1 nameif inside security-level 100 ip address 192.168.1.1 255.255.0.0!interface Ethernet0/2 shutdown no nameif no security-level no ip address!interface Ethernet0/3 [Code]....

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recently I had some malware on my Windows XP Professional (version 2002), so I followed a guide at Bleeping Computer [URL] to get rid of it. Problem is, for some reason, after I finished, I could no longer access the internet!When I try, FIrefox gives me their "could not connect" message: "Server not found. Firefox can't find the server at [site]." Check the address for typing errors such as ww.example.com instead of [URL]"When I try to log into MSN, the troubleshoot says I have a problem with my DNS and Key Ports.I'm not good with computers so I Google'd and found some ping-ing instructions. When I tried to ping [site], I get: "Ping request could not find host [site]. check the name and try again." This happens regardless of the site I use.Lastly, I tried "ping 127.0.0.1" from a troubleshooting site. It gives me: "Pinging 127.0.0.1 with 32 bytes of data:

Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128

[code]..

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My understanding was that:

Green = source & mask
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However this seems to stop all my other hosts on LAN1 from pinging the server also.

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I deleted an incoming email titled troy from my email inbox by mistake I need to recover this email as it came from my son in bali [URL] edited by moderator: Deleted Email address to prevent Spam

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Mar 3, 2013

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I can ping the outside interface from the outside, but cannot ping the  inside interface or any inside hosts from the outside, even though I  have 'permit icmp any any' enabled on the ACL on both ints. When I  remove the firewall and put the outside clients on the same subnet, the server sees the packets just fine.
 
I set up the same scenario in my lab with an ASA 5505, with the same results.  Below is the running config from the 5505 in the lab.  The production firewall is running a slightly older version of ASA, so I made the configuration as basic as possible on the 5505 to match the config in the field:
 
: Saved
:
ASA Version 8.3(1)
!
hostname ciscoasa
enable password Guh9Xxhb9mcC8lV1 encrypted
passwd 2KFQnbNIdI.2KYOU encrypted
names
!
interface Vlan2
description Outside WAN Interface
nameif outside
security-level 0
ip address 192.168.10.1 255.255.255.0
!
interface Vlan3
description Inside LAN Interface
nameif inside(code)

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Region : UnitedKingdom
Model : TD-W8970
Hardware Version : V1
Firmware Version : 0.6.0 2.1 v000c.0 Build 130415 Rel.34164n
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[URL]

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[code]...

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