Official

Accepted

Unanswered

Advanced Filters

Search Results (3.1K)

Relevance
IP Reputation Attacks

I have installed a NAS an enabled the NAS Firewall. I have port forwarded 5000 to the NAS.  I am now getting several IP Reputation Attack messages from Xfinity Advanced Security, advising me to restart the NAS and disable any port forwards.  The NAS needs the port forwarded in order to pr

Question

 • Your Home Network

91

2

0

Closed

Reputation Attack ip

I noticed I had an alert of a reputation attack on my in home camera and my iPhone. Has anyone else had this experience?? In comments it noted RUSSIA???? What does this mean and should I be concerned????

Question

 • Your Home Network

1.7K

2

0

0

IP reputation attacks don’t provide port numbers

How am I supposed to address reports of IP reputation attacks if Xfinity doesn’t tell me the port number being used?

Question

 • Your Home Network

35

2

0

Closed

IP reputation attacks broke my port forward

I use a port forward to be able to SSH into a Linux box on my LAN. This has worked fine since the issue related to IPv6, but all the sudden after getting the advanced security upgrade, it's now blocking the SSH connections to port 22.When I go to "fix" the IP reputation attacks, it tells me to disab

Question

 • Xfinity App

1.7K

2

0

0

Closed

IP Reputation Attacks and Unauthorized Access Attempts

I recently got an updated router and when it was installed the rep said he had converted all my settings over to the new router.  Within a day or two, I was suddenly unauthorized access attempts and IP Reputation attacks.  I hadn't noticed them at first, but once I did I started digging around and f

Question

 • Xfinity App

2.4K

2

0

0

Closed

Xfi Advanced Security - IP Reputation

I’ve been receiving these messages since August for only one of my two laptops I use at home. I have the most up to date software and recently went on vacation and have both laptops turned off but, received the IP reputation threat alert 12/14 today which Xfi states it blocked 7 threats all of which

Question

 • Xfinity App

398

0

0

0

Closed

IP Reputation Threats and Unauthorized Access Attempts

I recently moved and am in the process of reestablishing my Network at home. I have Comcast as my internet provider and had them at my previous location. I have a WD My Cloud Mirror which I primarily used for backup and Network Storage. I know there was an issue with vulnerabilities were WD advised

Question

 • Your Home Network

1.3K

2

0

0

Closed

IP Reputation attack

I have a Seagate Harddrive attched to my Xfi that contains music for my Sonos system also connected. Starting today I have recieved 35 threat messages that says Comcast has blocked malicious from China, Moldova and the US. All within the past 3 hours. I click help me fix it and it says to restart th

Question

 • Xfinity App

10.5K

20

0

Closed

IP reputation attacks after Advanced Security was rolled out

Last week I received the automatic upgrade to Advanced Security that was rolled out to many customers. Since then I have been getting several XFi notifications about an IP reputation attack (similar to another customer who recently posted here) coming from Russia and Germany via our Dish Network hop

Question

 • Xfinity App

10.6K

25

Comcast Continues to Earn Their Reputation for Terrible Customer Service

I have been a broadband customer for years. I was auto-billed, but in September their was fraud activity on my account and my credit card was cancelled.  Comcast then said I had to bay through my bank.  It was $40 per month.  I received a bill the other day for $60.  I spent hou

Question

 • Billing

24

0

0

Looks like your firewall might be working, but I'd have to know exactly what you are using, plus the logging syntax to tell you for sure.  It 'may' be telling you there was traffic from both internal and external sources that got blocked, but it's al

 commented 

10 m ago

 to the conversation: 

0

0

I've problems

I'm getting slow speeds an seems only my devices on my network continue to have malicious problems. Attached it the firewall log for the last week. How this look?FW.IPv6 INPUT drop, 2134Attempts, 2021/3/12 05:40:56 Firewall BlockedFW.IPv6 FORWARD drop, 2061Attempts, 2021/3/12 05:40:56 Firewall Block

Question

@user_1097cb Hello and thanks for reaching out with your questions! An IP address earns a negative reputation when suspicious activity is detected, such as spam or viruses originating from that address, so it is not something I would recommend ign

 commented 

4 m ago

 to the conversation: 

0

0

IP Reputation Attacks

I have installed a NAS an enabled the NAS Firewall. I have port forwarded 5000 to the NAS.  I am now getting several IP Reputation Attack messages from Xfinity Advanced Security, advising me to restart the NAS and disable any port forwards.  The NAS needs the port forwarded in order to pr

Question

Closed

IP

How can I find the IP address of my gateway?

Question

 • Your Home Network

580

1

0

0

Looks like the IP you are trying to send from belongs to MetroNethttps://search.arin.net/rdap/?query=69.174.160.30the CSI IP error code in reference is to a global reputation system:https://csi.cloudmark.com/en/reset/#:~:text=Cloudmark%20Sender%20Int

 to the conversation: 

0

0

Can't Send Emails from PC or Phone App?

I can recieve emails but I can NOT send.  This is my main email address, I need it fixed.  I haven't got the time to change my preferred email for hundreds of things.   I talked 3 times to support, hours on top of hours, holding. Got transferred so many times!  I Got cut off all three phone calls! L

Question

@d.l wrote: ... CSI IP xxx.xxx.xxx.xxx is not permitted to send messages. ...CSI in the error message means the listed IP has been flagged by Cloudmark Sender Intelligence, an IP reputation service, as not trustworthy, typically because the IP has be

 commented 

1 y ago

 to the conversation: 

0

0

smtp ports 465 & 587 blocked

Hello,why Comcast blocks my Home router ports 465 & 587?I can not send mail.If i use free wifi outside my mail works both ways.If i am at home only incomming mail works. if i use command at home: openssl s_client -showcerts -connect smtp.comcast.net:465 it shows message: 421 resomta-ch2-07v.sys.comc

Question

Closed

IP address

Just rented xfinity modem with wifi.  Lost IP address in my desktop when searching in DOS.  Why?  Where can I get my IP address.  Verizon, one can find IP address through TV.  Can't access through Comcast TV?.

Question

 • Your Home Network

1.1K

3

0

0

Closed

IP address

I want to gamble online & live in NJ along Delaware River so my IP address is showing I am in Delaware. How can I change my IP address to show NJ

Question

 • Your Home Network

670

0

0

0

Closed

IP Address

How do i find out my IP address for linking with my Security system (Speco Technology DVR) It worked in the past with Verizon I just switched to Xfinity and the DVR wil not accept the IP address that I did find Suggestions

Question

 • Your Home Network

779

1

0

0

@GMV54 wrote: ... 421 resomta sc-10v, CSI IO 3.137.159.126 is not permitted to send messages ...CSI in the error message means the listed IP is blocked by Cloudmark Sender Intelligence, an IP reputation service. Apparently that IP has been associated

 commented 

1 y ago

 to the conversation: 

0

0

Can't send emails

I can't send any email messages. I error message 421 resomta sc-10v, CSI IO 3.137.159.126 is not permitted to send messages I'm using windows 8.1, MS outlook 2010, and email ends @comcast.net.

Question

CSI in the error message means the IP is blacklisted by Cloudmark Sender Intelligence, an IP reputation service. Apparently that IP has been associated with spam or some other form of abuse. Please see https://forums.xfinity.com/conversations/email/c

 commented 

10 m ago

 to the conversation: 

0

0

resomta-po-11v.sys.comcast.net CSI IP 206.214.225.68 is not permitted to send messages.

All of a sudden I am not able to send e-mail. The following error message is given: An error occurred while sending mail: The mail server sent an incorrect greeting: resomta-po-09v.sys.comcast.net resomta-po-09v.sys.comcast.net CSI IP 206.214.225.68 is not permitted to send messages.  Please

Question

New to the Community?

Start Here