Skip ipa.virtuora.co.in: LDAP server is not responding, unable to verify if this is an IPA server
Failed to verify that ipa.virtuora.co.in is an IPA Server.
This may mean that the remote server is not up or is not reachable due to network or firewall settings.
Please make sure the following ports are opened in the firewall settings:
TCP: 80, 88, 389
UDP: 88 (at least one of TCP/UDP ports 88 has to be open)
Also note that following ports are necessary for ipa-client working properly after enrollment:
TCP: 464
UDP: 464, 123 (if NTP enabled)
The ipa-client-install command failed. See /var/log/ipaclient-install.log for more information
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I'm trying to connect to openfire server using spark. I have dynamic dns, made port forwarding on port 5222 in d-link router. When i'm logging with host name as private ip for example "192.168.0.101" - connection is established, but when i'm setting my domain (pizokas.hopto.org) as host name i get the following error
Unknown connection error. Please review logs for the following information.
But there are no logs in openfire server, so i assume packets are dropped in router. I have firewall turned off. At this point i can't find information why the connection cannot be established. I'm using my own laptop as server and as a client, os win 10. Maybe somebody had similar issue?
The connection was established when i was trying to connect to server from outside of lan
I am having trouble with my hMail server. I am getting logs of errors in the logs saying
"SMTPC" 1840 0 "2017-12-22 09:58:01.745" "TCP" "SMTPDeliverer -
Message 1170761 - Connection failed: Host name: 203.147.156.193,
message: A connection attempt failed because the connected party did
not properly respond after a period of time, or established connection
failed because connected host has failed to respond"
This has all started since we got blacklisted, we an incident that caused our ip to end up on some blacklists, since then I have added a rule on our Mikrotik router to route all port 25 from our mail server though a different external IP. This has resolve all the spam bounce backs but i am now getting a lot of connection failed bounce backs.
I am at loss as to where to go from here.
hMail Diagnostics
Test: Collect server details hMailServer version: hMailServer
5.4.1-B1951 Database type: MSSQL
Test: Test IPv6 IPv6 support is available in operating system.
Test: Test outbound port SMTP relayer not in use. Attempting
mail.hmailserver.com:25... Trying to connect to host
mail.hmailserver.com... Trying to connect to TCP/IP address
5.189.183.138 on port 25. Received: 220 mail.hmailserver.com ESMTP. Connected successfully.
Test: Test backup directory ERROR: Backup directory has not been
specified.
Test: Test MX records Trying to resolve MX records for
attachments.companionsoftware.com.au... Host name found:
qit-web.qit.local
Test: Test local connect Connecting to TCP/IP address in MX records
for local domain domain attachments.companionsoftware.com.au... Trying
to connect to host qit-web.qit.local... Trying to connect to TCP/IP
address fe80::e9e2:c285:fb4d:ef7a%14 on port 25. Trying to connect to
TCP/IP address fe80::b0f3:daf:daf6:9e0f%12 on port 25. Trying to
connect to TCP/IP address 10.243.1.16 on port 25. Received: 220
attachments.companionsoftware.com.au ESMTP. Connected successfully.
Test: Test message file locations Relative message paths are stored in
the database for all messages.
Test: Test IP range configuration No problems were found in the IP
range configuration.
I worked this out,
In my router i had specified all traffic from [internalip:25] goes out on [externalip:25]. When i removed the specific port and routed all traffic it started working.
I have been trying to set Fiddler as a Reverse Proxy, I've been following these instructions, but I just don't understand the point 3.
Option #1: Configure Fiddler as a Reverse-Proxy
Fiddler can be configured so that any traffic sent to http://127.0.0.1:8888 is automatically sent to a different port on the same machine. To set this configuration:
Start REGEDIT
Create a new DWORD named ReverseProxyForPort inside HKCU\SOFTWARE\Microsoft\Fiddler2.
Set the DWORD to the local port you'd like to re-route inbound traffic to (generally port 80 for a standard HTTP server)
Restart Fiddler
Navigate your browser to http://127.0.0.1:8888
How can I set the DWORD to the local port??? Sorry Im novice in network connections, please hope some good fellaw could explain step by step how can I do that. Do I have to do it inside Fiddler? Do I have to do it in windows? Im using windows8.1
PD: I know Im missing that step, cuz after doing steps 4 and 5 I get this message in the browser: "[Fiddler] The connection to '127.0.0.1' failed.
Error: ConnectionRefused (0x274d).
System.Net.Sockets.SocketException No connection could be made because the target machine actively refused it 127.0.0.1:8888"
EDIT>
When I set on fiddler>Fiddler Options>Connections>Fiddler listens on port: 8888
I get the same message, but instead of 127.0.0.1:8888 now I get 127.0.0.1:80
[Fiddler] The connection to 'localhost' failed.
Error: ConnectionRefused (0x274d).
System.Net.Sockets.SocketException No connection could be made because the target machine actively refused it 127.0.0.1:80
I have notice that in fiddler set reverse proxy page, it says...
Configure Fiddler as Reverse Proxy:
To use this method, the hostname for the request to reroute must be 127.0.0.1:8888, localhost:8888, [::1]:8888, or the machine's NETBIOS hostname on port 8888.
Is perhaps that why I can't get it to work? how can I set my machine NETBIOS hostname on port 8888?
I had the same issue... this fixed it...
In the menu click 'Tools' >> 'Fiddler options' >> 'Connections'
Find out the port number
Use the port number noted here instead! e.g. http://127.0.0.1:[port number]
Let's step back a bit. Why specifically are you trying to run Fiddler as a Reverse Proxy? What service are you trying to pass traffic into (e.g. IIS?) What port did you move that service to? What is the exact (original) URL of the traffic you're trying to collect?
You don't need to mess with the registry if you're going to write FiddlerScript.
I have chosen QuteCom SIP client for windows to chat.I have installed and configured the account with my public server. My SIP server is kamailio.The connection to the server is not established. The application is connecting to the server for a long time.
Any help is appreciated.
If looks like keep connecting, then I guess the SIP messages don't get to the server.
You can install Wireshark to monitor traffic on windows host on port 5060 (the SIP port) in order to see if SIP messages are sent to the server.
On server, you can install ngrep for the purpose of seeing if traffic from the phone comes there. The command would be like:
ngrep -d any -qt -W byline port 5060
If you don't see traffic coming to the SIP server, then might be a firewall or an ALG between the client and the server, or, a firewall even on client host or server itself.
If it is something in between (not on client host or server), then you should try to use TCP or better TLS.
Note that if you have the firewall on the server, you will see the SIP packets coming on the network, but they will be dropped by the kernel before getting to application layer. Typically on Linux you can see the firewall rules with:
iptables -L
If the SIP packets come to the server, then set debug=3 in kamailio.cfg, restart kamailio and watch the syslog file (e.g., /var/log/syslog or /var/log/messgaes) for kamailio-specific debug messages -- you should get hints of what happens during processing.
I'm using centos 5 and sendmail on intranet server. Local mail is being delivered perfectly, but when i try to deliver email to gmail, for example (or any other service outside intranet) i find following errors in my logs:
Jan 16 16:50:32 testlink sendmail[27713]: r0GCoVi5027711: to=<example#gmail.com>,
ctladdr=<webdev#testlink.ru.corp.domain.com> (502/502), delay=00:00:01,
xdelay=00:00:01, mailer=esmtp, pri=120332, relay=alt4.gmail-smtp-in.l.google.com.
[173.194.68.27], dsn=4.0.0, stat=Deferred:
Connection refused by alt4.gmail-smtp-in.l.google.com.
one more important thing - server is not accessible from internet, but i can access internet from my server..
Please advice where should i search the problem.. i understand that i should setup sendmail somehow (currently i'm using default configuration that was set by yum), but what settings (or at least direction)... Thanks in advance!
run ifconfig in command line. perhaps something is wrong with your IP
also look into iptables -L
netstat -nap should have a string
tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN 5275/sendmail
check if provider blocks port 25:
telnet smtp.ukr.net 25