blacklist

  1. Leo_B

    Vitelity trunk: too many failed authentications problem

    Hello y'all, An interesting situation occurred Thursday morning: our 3CX v20 (Update 7) stopped accepting incoming calls. Instead of connecting, callers received busy tones, and there were no entries in the PBX logs. The Vitelity-configured SIP trunk showed as "Registered," and outbound calls...
    • Leo_B
    • Thread
    • blacklist vitelity
    • Replies: 4
    • Forum: US
  2. Univ. of North Florida

    How to Block Calls that show as "Unavailable"

    Hi, We are receiving many calls from different numbers and IP's that show a caller name field of "Unavailable". These calls do not appear the same as "anonymous" calls do either. I will provide screenshots below showing the difference. We have used many different CID Blacklist rules to try and...

  3. Solved Any way to notify a destination before they pick up

    Hello, I'm on my first CFD attempt, so I apologize in advance if I won't use the right terminology. CFD aim: redirect calls from balcklisted numbers to sales manager instead of technical support. Using the schema below, the db check & validation part works perfectly, call is diverted to sales...

  4. Someone appears to be spoofing my number; Can I block a number on free hosted?

    Hello, Someone has been calling my number saying "stop calling me" but I did not call anyone. Can I block their number on free hosted plan? Can I do anything to prevent spoofing?
    • User_123
    • Thread
    • blacklist spoofing
    • Replies: 1
    • Forum: SMB

  5. Make a Outbound Blacklist

    Hello My question is how is possible to block certains numbers from calling. I want all my extension not to call these number? What is the best, way? Imagine I have an array of number [079xxxxxxx,078xxxxx,066xxxxxx] Thank you.

  6. Constant notifications of Blacklisted on PBX

    I receive approximately 10 notifications of an IP address being blacklisted each day. Sometimes there are more in a given day. Is this normal and expected? Does this indicate I have configured something incorrectly or missed something in our Hosted 3CX setup? A redacted example is below. The...

  7. Solved Yealink T54W not provisioning correct on Free teer

    Hi all, We are in the process of testing 3CX and probably going to migrate our phone solution to 3CX. The web-client and phone app work great. But i also wanted to test a desktop phone. I have a new, out of the box, Yealink T54W. I added it to a user thru the web app admin. Set it as router...
    • MartinVanEs
    • Thread
    • blacklist credentials provisioning
    • Replies: 6
    • Forum: Yealink
  8. GML

    Some IPs being blacklisted for incorrect duration

    Hello, We have a lot of our clients set to blacklist ip's for 20 years by setting the Blacklist time interval to 630720000 seconds. This is working for most criteria such as "PBX: blocked for too many failed authentications; User-Agent: FPBX-15.0.29" However when an ip is blocked with the...
  9. msavazzi

    No more bad guys? No "An IP has been blacklisted" emails since 2 weeks???

    Before I was receiving an average of 10 blacklist a day. I started blocking them on my firewall. Now since May 6th I've not received any "An IP has been blacklisted" email. I do receive the trunk changes or similar so the email subsystem is working... but no blacklist. Am I the only one? no...

  10. IP Blacklist issues since U6 upgrade

    Since we upgrade to U6, we are seeing more extension brute force attempts than ever. I noted that some of the ip addresses in the event log were not shown in the IP Blacklist, and yet when attempting to add them we are seeing "This IP address is already in the blacklist" - which it is not in the...

  11. IP has been blacklisted

    How is it that within seconds of each other the same IP address, not one associated with me, all hosted at different locations, for different clients, using different IP providers, tried to connect to three different 3CX systems I manage? See the image below for the notices I received in my...

  12. Blacklisting User Repeatedly

    I have a user that keeps having their PC's IP blacklisted. It happens at least once a week. I have tried uninstalling the application, wiping all files out, and reinstalling. I have also tried reprovisioning their softphone. The user can't have a static IP so I need to figure out what is causing...
  13. MBergeron

    Sip provider say 500+ calls from pbx in seconds

    I can't see those calls in cdr, how this is possible?
    • MBergeron
    • Thread
    • blacklist provider sip trunks
    • Replies: 1
    • Forum: US

  14. Solved 3CX 18.0 Update 3 (build 461): Bug in "IP in Blacklist"?

    Hello everybody, I have an installation of 3CX updated to version 18 Update 3 build 461. For some time, in the "IP in blacklist" section, I happen to want the subnet of an address that has been blacklisted, but using the insertion by range (e.g., xxx. xxx.xxx.0 / 24), I get an "IP already...

  15. My trunk provider's IP has been blacklisted from 3CX

    Hello guys, I am not receiving incoming calls. The reason being was that my IP's trunk provider was blacklisted. Now I have whitelisted the IP but I am not getting incoming calls yet. I looked at the events and I saw that I have been getting blacklisted for quite a long time now. Event...
    • kyriacos.it
    • Thread
    • 3cx support blacklist not supported sip whitelist
    • Replies: 10
    • Forum: Other

  16. Solved Is there a 3CX Global Blacklist Lookup?

    I have received an email alert to say a given IP address "has made numerous attempts to authenticate with 3CX with invalid details. In response, 3CX has created a blacklist rule denying this IP to continue sending requests." Wonderful, though that same email says that blacklist entry "will...
  17. Jmtyra

    Solved 3CX.com Error: Your IP (a.b.c.d) has been blocked

    Moderators: Please move this thread if appropriate, as I could not find a matching forum category for this issue. :) IP Use: Residential ISP IP Type: Static IP History: Clean; not listed on any reputable blacklists as of this post First Observed: Jan 24th, 2022 at appx 12:45pm CST (UTC -6)...

  18. Solved 3cx not starting in Google cloud

    3cx running in Google cloud, not heavily used and upto date, v18. Yesterday I started getting messages that my ip is blacklisted, to many failed login attempts, which is very strange. Admin user and pass are very very secure. Today I tried a few things, first restart through SSH connected...
    • EdoF
    • Thread
    • blacklist restart service ssh
    • Replies: 3
    • Forum: Phone System / PBX

  19. Blacklisting IPs and my 3CX domain

    Fairly new user. I am using a 3CX hosted system and have started to get hit with what appears [to me] to be a large number of hackers. I changed the ban time to 1 year for fun. My question is this, my 3CX server domain name is fairly random. Out of curiosity I wanted to know, how are these...

  20. Abuse from:

    I'm getting emails from EGP saying my server is "Caught scanning for web/mail exploits / compromised hosts" and is delisting it. These load is running on a PI 4 and I have reloaded twice with a clean version of Raspbian and restored the configuration from a back up but this keeps happening. the...
3CX Logo Footer Copyright © Sitemap Privacy
Top Bottom