SMTP Servers Timeouts?
May 8, 2012
I'm trying to connect to an SMTP server using telnet via putty. Not just well known domains such as bigstring, aol, gmail, hotmail etc but also endless amount of not known or not popular ones.The problem is that although nmap says that port 25 is open, I can not establish any connection to ANY SMTP server (it just timeouts).I have tried disabling my firewall and using a proxy, but it still doesn't connect and now I've ran out of ideas. I also tried to disable my avast as well as legally used ip switcher program to make sure the problem is totally independent from my ISP.
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Dec 11, 2011
How can i change smtp to get on internet
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Mar 10, 2013
Is there a setting where I can increase FTP session timeouts?
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Oct 19, 2011
I have been having trouble with my DSL-2730B router. I am running a home network with a wired desktop connected via ethernet, two laptops, one desktop and three ipods connected wirelessly to the router.The problem is that at seemingly random times during the day the ability to connect to the internet is lost on all devices (wired or no). I also often lose the ability to connect to the router's homepage (settings) and upon inspection have found that when I ping the router I get time-outs (or sometimes destination host unreachable). This occurs on both wired and wireless at the same time and usually lasts anywhere from 10seconds to 10minutes at a time. I have reset the router numerous times including a reset via the web browser, unplugging the router and reconnecting and also have done a factory reset to attempt to solve the problem - all to no avail. As I am writing this I am using a different older router that so far (as of an hour) has not had the same issues.I should also mention that this happens regardless of which devices are currently on the network. I have had this problem with the wired-connection by itself and with my wireless laptop by itself.
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Mar 1, 2012
I am tyring to remotely diagnose a troublesome ASA5505
It is connecting via PPPOE and the original suscpicion was that the PPPOE was going down during heavy loads during the day, i.e 9am and lunchtime. I suspected MTU and have verified the MTU outside is set to 1492
However further troubleshooting doing a remote ping to the PPPOE address indicates that this does not drop at all.
When remoteley connected to the ASA my session dies and any outbound internet fails, then in a few minutes it comes back.
all the time the PPPOE line stays up?
One thought is that although the line does not go down it is being crippled with traffic and just getting so unresponsive it appears it has died.
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Jan 17, 2012
Keep getting DHCP timeouts 169.254.x.x addressing. I think that the client laptop is not giving a response to the REQ from the DHCP server. Am I correct in my interpretation of the debug?
00:21:d7:93:f9:40 from Disassociated to Idle
*apfReceiveTask: Jan 18 13:48:24.162: 58:94:6b:d0:41:08 0.0.0.0 DHCP_REQD (7) Deleted mobile LWAPP rule on AP [00:21:d7:93:f9:40]
*apfReceiveTask: Jan 18 13:48:24.162: 58:94:6b:d0:41:08 Username entry deleted for mobile
*apfReceiveTask: Jan 18 13:48:24.162: 58:94:6b:d0:41:08 apfMs1xStateDec
*apfReceiveTask: Jan 18 13:48:24.162: 58:94:6b:d0:41:08 Deleting mobile on AP 00:21:d7:93:f9:40(0)
*DHCP Proxy DTL Recv Task: Jan 18 13:48:37.073: 58:94:6b:d0:41:08 DHCP received op BOOTREQUEST (1) (len 308,vlan 0, port 29, encap 0xec03)
*DHCP Proxy DTL Recv Task: Jan 18 13:48:37.073: 58:94:6b:d0:41:08 DHCP processing DHCP DISCOVER (1)
[code]....
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Feb 15, 2011
We recently got a 10 meg dedicated internet fiber connection installed. I connected it to a PIX 501 firewall and everything worked fine (I tested it for a couple of weeks). A couple of days ago I got a new ASA 5505 and replaced the PIX with this device. It works, but every so often there seems to be a timeout when surfing the web whereby I click on a link and there is up to a 45 second wait and then the page loads quickly. I was not getting this before on the PIX so I'm assuming it's not a latency issue with the connection. I am the only one using this connection on the network so it's not to say that it's being bogged down. I want to roll this out to the other users on the network but not when this is happening. The configuration is below:
: Saved
:
ASA Version 8.2(1)
!
hostname ciscoasa
[Code].....
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Aug 28, 2012
I got a Problem on a customer which is using a Failover ASA 5510 pair with SSM-CSC-10-K9 modules.The clients have to connect to a webserver where they are doing some calculations.If they prepare everything and want to calculate everything what takes a couple of time the session is after about 3 minutes timedout.My first idea was to set session specific timeouts which are a bit longer then the normal but this setting did not work. I created a policy which did not work for me. How to set connection specific timeout's? [code]
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Jan 29, 2012
I have a web cache server, and I redirect all the HTTP request to it using WCCP.
Everything works without a problem, however I have a monitoring system that every minute tests the access to some customer sites that are hosted inside our infra-strutcture.
As soon as I configured the WCCP the monitoring system complains of timeouts accessing those sites, about 20% of the requests start to fail (timeout).
I don't think it is the fault of the cache because in the WCCP ACL I exclude all traffic that comes from my monitoring system. However as soon as I turn of WCCP the monitoring system never ever gives timeouts accessing those sites.
Is there anything I should do in WCCP to tweak it? I have WCCP configured in my core gateway that is a CISCO 3750.
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Aug 26, 2012
I have the latest version firmware
I am constantly getting dropped and timeouts accross all of my devices this has been hapening for several months now I think ever since I upgraded to 1.0.04
It says no internet access when the wired computers have it fine. Android phones, windows 7 pc, and chromebook.
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Oct 9, 2011
So I recently purchased an E4200 to replace my aging and slightly ailing DLink DIR-655 which as served me well for going on 5 years. The part of the DLink that was giving me the issues was the wireless, the routing and switching worked fine however.
I do quite a lot of streaming of media from my home machine outside my network through the internet. Most recently I've been using Kalemsoft Media Streamer on my HP Touchpad, however I've used Zumocast, Windows Live, Splashtop, and a few others. I havent yet tried my PPTP VPN through the router for an extended period of time to see if it reflects this issue as well though.
Since replacing my 655 with the E4200 I've started experiencing a timeout issue. It seems to be semi-consistant and only happens after time of unuse or extended use (I havent timed it yet to see if it always happens after the same amount of time though).
Basically what occurs is this:
I'll be watching some video or listening to audio streaming from my machine and after a period of time (usually a long period of time) it'll suddenly lose connection, requiring me to re-connect through the software, like the NAT translation is timing out or something.
How it USED to work is this: It'd basically work until I stopped streaming.
My setup:
AT&T Uverse set to DMZPlus aiming towards my E4200 WAN port (sitting directly in place of the 655 I used to have)
All machines on the network are gigabit. I have ports 7000 and 7001 open for Kalemsoft Media Streamer on the E4200 per the specifications of the software.
The software understands UPnP so I have nothing specific forwarded on my machine, but I didnt previously either.
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Jan 4, 2012
Im running 8.3 on a 5505. We've got a few ssh tunnels originating from inside to some place on the internet. It seems these tunnels are closed every n minutes. I've seen two recommendations for altering the timeout values, and what I am interested in is infinite timeout (0) for these SSH tunnels.
Suggestion 1, alter timeout "conn". Default is 30 minutes, but I suspect this might have a negative impact because no inactive connections would be closed, ever. If it however is recommended to alter, how to set it to "0" (off/unlimited)? timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
Suggestion 2, enable a ssh class map which explicitely set the timeout for the ssh connection. Is this recommended? How would I achieve unlimited time? And what about random-sequence-number disabled as seen below, is that really recommended?
class CLASS_MAP_SSH
set connection random-sequence-number disable
set connection timeout idle 48:00:00 reset
set connection decrement-ttl
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Aug 29, 2012
We have recently put in a new 2901 router to be our IPSLA router and after adding 430 operations to it (215 ICMP and 215 UDP jitter) to cover off our state wide sites, it's reporting over half of them as timing out. Over the day, the timed out operations change so that our monitoring system shows the operations as down most of the time and up or warning state the rest of the time.
Some of the remote routers are reporting "SLA_FORMAT_FAIL" errors but I cannot find any references to this error.A ping from the router to the remote site router returns a ping time of 50ms or less and the network links are not conjested so QoS shouldn't be getting in the way. Our QoS policies would mark and prioritise the UDP jitter test traffic and the ICMP would be in the default class.
The 2901 is running 15.2(4)M1 and has 512MB RAM and 256MB flash. It's single homed into our core network switch. I've heard stories of 2900 series routers hosting 1000's of operations so I don't think we're taxing the router. CPU is sitting around 5% and memory is around 20%.
Below bits are for one set of operations.
*******************************************************************************************
End node we're targetting (2951 running 15.2(3)T):
DC204RT04#ping 172.16.37.192
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.37.192, timeout is 2 seconds:
[code]....
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Mar 7, 2013
I have set up a new wireless network for a customer and they want to use the guest portal for som users.The problem that I am expering is that on a particular site with many small buildings user complains that they have to reauthenticate using the webportal when moving between the buildnings. I have tired extending the idle user timeout on that particular wlan in the cisco 5508, but I still having this problem.
I would actually like if the user login via the guestportal at the beginning of the work day and after say 4-5 hours they have to reautencitcate.And if they loose network connectivity (moving between buildings, iphone/andriod shutting down wifi adapter, etc) they shuld be fine connecting again because they have aldready authecnticated once during the last 4-5 hours.
Is this possible via the ISE?My second question deals with 2.4 and 5 Ghz band.I use AP groups on each of my distribution areas. All groups have the same SSID but diffrenet egress interfaces (interfaces groups). And in some of these I want to save the 5 GHz band for voice over wlan and in others i would like to use both bands.
Do I have to create diffrent wlan profiles with diffrent radio policys and same SSID or could I do this in the AP group settings using RF-profiles?
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Oct 17, 2012
Just recently we replaced our HQ Cisco-Pix with Cisco-ASA 5510. where we have many branches connecting to our HQ through site-to-site vpn.
Since putting this new ASA5510 at HQ , while we are getting a Remote-Desktop session into our branches clients, and at the time when even a single TIMEOUT occurs on the vpn-link so the remote-desktop session gets completly lost. then we have to re-connect the session.
This issue happens as i said above when a single timeout occurs on the vpn link. What is the issue with the ASA5510. because with pix we didnt have this issue, remote-desktops were never geting lost / reset with single timeout
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Mar 22, 2011
I am configuring remote access VPN on a cisco router 3845. Works fine.
I was looking for configuring session and idle time configuration for groups and eventually users.
I am using the following Cisco VPN remote access configuration :
crypto isakmp client configuration group mygroup
key xxx
pool mypool
acl 101
max-logins 3
banner ^CHelloo ^C
Is there any command in cisco ios similar to Cisco ASA vpn group 1 session-timeout?
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Jun 11, 2013
We are planning to split the Private servers from the DMZ Servers and configure an additional Interface and segment for this purpose.
Private Servers Segment: 192.168.4.0/24 (there is no DHCP all servers' IPs are statically configured)
DMZ Segment: 192.168.3.0/24 (This is a future deployment)
LAN Segment: 172.17.0.0/16
Both, Private Servers and DMZ Servers are in a collocation as well as the ASA5520. There are multiple Branch offices that uses subnets within the 172.17.0.0/16 Network and they are connected to the ASA5520 via Metro-E.
I do not know if this is possible but what I want to do is this:
In order to avoid the change of internal DNS records I want to mask the DMZ servers with a Private Server IP when a Private server or LAN host wants to access it like this:
The FTP server in the DMZ has the IP address: 192.168.3.100. But when a PC from the LAN wants to reach the FTP server it should points to its old IP: 192.168.4.100. This way the PC sends a packet to the ftp.corporate.net (192.168.4.100) the ASA recieves the packet and translate it to the (192.168.3.100) and send it out through the DMZ Interface.
Also if the Private Servers wants to reach the same FTP the ASA will act like a proxy-ARP and send the paquet to the DMZ by means of the translation of the IP.
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Apr 16, 2011
i'm trying to connect 5 servers together to create a private network.Each server has a network of it's own and i'm trying to make all 5 servers communicate with each other to share and search data simultaneously..
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Mar 20, 2012
I Have exented vlan 120,121 from DC-1 to DC-2,the DC-1 and DC-2 are connected using L2 Trunk over fiber terminated on Cisco 6513 on both site ,the distance around 40 Km ,on the DC-2 i just assigned server-1 TO VLAN 120 while server-2 in vlan 121 ,but these servers unable to communicate neither with DC-1 Servers or betwen them locally on DC-2 ,pls note that the servers at dc-2 rely on DC-1 for routing.
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May 21, 2012
I've got an aol engineer visiting Thurs.to examine connection loss (since last Weds). But I'm convinced the problem is with the router. But from the tone of the aol tech questions I suspect he's already briefed his engineer to do his best to represent the problem as being either with my computer or positioning of router/filters/condition of wall-sockets - usual getouts.The talktalk router is neww, issued Feb 12, after my original router, speedtouch, started suffering idle timeouts every day.
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Dec 18, 2011
We're getting "Connaction Timeout / Connection Failure" error messages several time per day. Here is our setup:
Verizon FiOS Internet (ONT Box) --> Cisco ASA 5505 --> EdgeMarc 4500 Router --> Cisco 300-24G Switch --> Dell PE1950 Servers
From past few months, we keep getting Connection Timeout and Connection Failure error messages in our vendor application which connects to SQL Server 2005. Also Terminal Server 2003 keep disconnecting for every few hours.After several days of troubleshooting, we come to know that this Cisco ASA 5500 is not working properly. When I access the ASDM, it shows several warning messages.I know there is a setting option to configure TimeOut, but is there anyway to test and track the ASA 5500 regarding this Timeout issues?
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Apr 1, 2012
I have installed some 3rd party software for email messaging and it requires SMTP details. I hardly even know what SMTP is. Via google I found one it has something to do with server for sending email messages but I don't want to use SMTP of my ISP which is (referring to smtp and not isp) the one that is being used in microsoft outlook program. But the 3rd party software is different one. It requires FIVE (5) datas and I have no idea how do I find them out:
email
server name
password
username
port
I have been searching for some smtp details what to type with the following requirements:
- smtp must be free to have and use details
- working one
- as fast as possible
- no particular limits
The program also offers to set up ''in-build'' smtp server. If I choose this it works but the message cannot be sent for unknown reason. I don't have firewall and I double checked nothing is wrong with avast antivirus. So I will have to get the smtp details with mentoined four requirements. Don't even know where to search. I found some freeware smtp (or virtual smtp) applications but I need 5 datas to type in and not an application. No idea where to get them. I tried gmal [URL] but its not working, been trying also different ports.
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Dec 17, 2010
I'm using a router 877 at home and i really need to check out what this router do during the day. So some time ago i configured it using some eem actions and sending to me email, without any problems. Yesterday I changed my internet provider and now i need to use smtp autheticantion to send emails.
I read about how to authenticate, like username:password@host and also made a fast search here, without solve my problem. I need to put as username the email of the provider like: mouse@host.com:mypassword@smtpserveraddress.com. So, i want to know if someone had the same problem and solved it. Of course i couldn't use @ two times or eem would think that host.com is my smtp server! And right now is going in this way!
My IOS version is 15.1(2)T2, eem version is 3.1.
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Jul 16, 2012
We have installed the Cisco Prime LMS 4.1 in our production environment. We have configured SMTP settings, but unable to find where we can configure username and password for SMTP authentication. It's only giving a option to enter email address without any authentication parameters.
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Jan 20, 2012
I just installed LMS 4.0 on OS Window 2008 R2. Right now, I know how to add devices in DCR and set SMTP server. My question is
1. I want LMS to send an alert email when Coreswitch is down how to do that ?
2. I want LMS to send an alert email when interface is down (not all interface but specify one) how to do that ?
3. I want to created a custom portlet that monitor only one device and specify interface on it how to do that ?
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Nov 13, 2011
Running lms 3.2.1 CS 3.3.1 on Windows 2003
I need to point the LMS server to a new mail relay, but when I make the change in
CS->SERVER->Admin->System Preferences smtp server
It claims to have made the change successfully but the old IP address remains.
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Aug 23, 2012
I'm trying to change the IP address of the smtp server on cisco LMS 3.2.1;I have changed the IP on the GUi and when it didn't work, in the regdaemon. xml file, but it did not work too;When I capture packets from the LMS, it still sends emails to the old IP;
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Jul 25, 2011
This is my first post in CSC. I have two issues with ASA 5505. I have configured ASA to use Easy vpn (ASA as RA server). Users are able to connect to vpn with out any issue and there is no diconnections with VPN. But when the users are trying to RDP to server it connects and disconnect as soon as login. some time it connect for 2 mins then it fades out for some time then it reconnects again. I guess I have give correct access-lists. Please find the Running configuration in the below.
2). we have a Email server in DMZ zone and it users are able to connect to the email server and they can see the emails. But when they try to send any emails it just stuck in the email server queue and does not deliver to the destination.
ASA Version 7.2(3)
!
!
interface Vlan1
nameif inside
security-level 100
ip address intinside 255.255.255.0
[code]....
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Mar 5, 2013
Is it possibe to change SMTP port from 25 to any other in LMS..? Bcoz in scenario where we keep SMTP server to flow on some different port rather default port 25. So our LMS also should communicate in the new specified port to send DFM Alerts.
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Aug 26, 2011
incoming mail server:/ [URL]
outgoing mail server :/ [URL]
i want to configure MS Exchange Server 2007 SP1 to use these?
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Mar 5, 2012
I have an ASA 5500 Firewall. I need to figure out how to log all events using Port 25 to determine if there are any rogue devices on our network. I was trying to figure out how to do this via the Real-Time Monitoring (filter) but have had no success.
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May 31, 2012
I have a ACS 5.1, My mailing server does not run on standard port number of smtp (25). Need to know if i can customize the port number suiting my mailing server requirement.
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May 29, 2012
We have a cisco 800 series router between the internal network and the WAN. the problem is we are unable to receive some of our mail due to dropped packets by our router. the conversation between the two servers stops at the point were our server responds with the command 250 2.1.5 user@mydomain.com | 354 Start mail input; end with . i was able to trace the packet, using Packet Export, on the internal interface but not on the external interface. Also i have noticed that the external interface has about 160,000 unknown protocol drops while the internal interface has 0.
Is there anyway to find out way the external interface is dropping the packets.
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