udp

  1. V

    Domain Controller Windows Time Synchronization Issue

    Dear all, I'm configuring my domain controller (Windows Server 2012 R2) to be synchronized with pool.ntp.org but the w32time source still remain Local CMOS Clock. - The PDC is a VM (VMware 6.0) and there is only this DC in the domain. - I tried to use VM client to sync with NTP server and it is...
    • VinsNg
    • Thread
    • configuration domain controller firewall group policy local cmos clock network settings ntp ntp pool pdc sync time registry time server time synchronization troubleshooting udp virtual machine vmware w32time windows server windows update
    • Replies: 2
    • Forum: Windows Server Forums
  2. A

    Windows 10 Identifying which application is generating ICMP Traffic

    Hello All, We are observing lots of ICMP traffic from a windows system. However, we are not able to identify which application is generating this traffic. We tried to check by using "netstat -abn" however, it shows only TCP and UDP traffic, but not ICMP. Is there any feature or utility in...
    • amane
    • Thread
    • ameer mane application connectivity diagnostics help icmp monitor netstat network performance security system tapatalk tcp/ip tools traffic troubleshooting udp utilities windows
    • Replies: 2
    • Forum: Windows Security

  3. TA17-156A: Reducing the Risk of SNMP Abuse

    Original release date: June 05, 2017 Systems Affected SNMP enabled devices Overview The Simple Network Management Protocol (SNMP) may be abused to gain unauthorized access to network devices. SNMP provides a standardized framework for a common language that is used for monitoring and...
    • News
    • Thread
    • access control access denied authentication best practices community strings configuration encryption management mib mitigation network devices network security protocol protocols best practices remote attack security best practices snmp udp vulnerability
    • Replies: 0
    • Forum: Security Alerts
  4. M

    Windows 10 Port forwarding help

    How can i make port forwarding? I cannot make it.

  5. TA17-156A: Reducing the Risk of SNMP Abuse

    Original release date: June 05, 2017 Systems Affected SNMP enabled devices Overview The Simple Network Management Protocol (SNMP) may be abused to gain unauthorized access to network devices. SNMP provides a standardized framework for a common language that is used for monitoring and...
    • News
    • Thread
    • access control authpriv best practices configuration cybersecurity devices encryption integrity management mib mitigation monitor network network traffic recommendations security snmp udp update whitelist
    • Replies: 0
    • Forum: Security Alerts

  6. TA15-240A: Controlling Outbound DNS Access

    Original release date: August 28, 2015 Systems Affected Networked systems Overview US-CERT has observed an increase in Domain Name System (DNS) traffic from client systems within internal networks to publically hosted DNS servers. Direct client access to Internet DNS servers, rather than...
    • News
    • Thread
    • access cache configuration denial of service dns efficiency enterprise guidance infrastructure malicious software monitoring network poisoning recommendations resolution risk security tcp/ip traffic udp
    • Replies: 0
    • Forum: Security Alerts

  7. TA14-017A: UDP-based Amplification Attacks

    Original release date: January 17, 2014 | Last revised: March 07, 2014 Systems Affected Certain UDP protocols have been identified as potential attack vectors: DNS NTP SNMPv2 NetBIOS SSDP CharGEN QOTD BitTorrent Kad Quake Network Protocol Steam Protocol Overview A Distributed Reflective...
    • News
    • Thread
    • amplification attack bandwidth ddos detection dns drdos filters impact mitigation network ntp protocol security services solutions spoofing traffic trust udp
    • Replies: 0
    • Forum: Security Alerts

  8. TA14-013A: NTP Amplification Attacks Using CVE-2013-5211

    Original release date: January 13, 2014 | Last revised: February 05, 2014 Systems Affected NTP servers Overview A Network Time Protocol (NTP) Amplification attack is an emerging form of Distributed Denial of Service (DDoS) that relies on the use of publically accessible NTP servers to...
    • News
    • Thread
    • amplification attack configuration cve-2013-5211 ddos exploitation linux monitoring network ntp recommendations response restrict security server system udp unix upgrade vulnerability
    • Replies: 0
    • Forum: Security Alerts

  9. TA14-017A: UDP-based Amplification Attacks

    Original release date: January 17, 2014 | Last revised: February 09, 2014 Systems Affected Certain UDP protocols have been identified as potential attack vectors: DNS NTP SNMPv2 NetBIOS SSDP CharGEN QOTD BitTorrent Kad Quake Network Protocol Steam Protocol Overview A Distributed...
    • News
    • Thread
    • amplification amplification factor attack bandwidth best practices damage ddos detection drdos impact ingress filtering mitigation network prevention protocol security source ip traffic shaping udp vulnerabilities
    • Replies: 0
    • Forum: Security Alerts

  10. TA14-013A: NTP Amplification Attacks Using CVE-2013-5211

    Original release date: January 13, 2014 | Last revised: January 14, 2014 Systems Affected NTP servers Overview A Network Time Protocol (NTP) Amplification attack is an emerging form of Distributed Denial of Service (DDoS) that relies on the use of publically accessible NTP servers to...
    • News
    • Thread
    • amplification attack configuration cve-2013-5211 ddos linux monitoring network ntp ntpd protocol recommendations security time udp unix vulnerabilities
    • Replies: 0
    • Forum: Security Alerts
  11. H

    Windows 7 Cisco AnyConnect and Split Tunneling

    I sometimes work from my home office and remotely connect to my company's network via VPN using Cisco AnyConnect. The VPN adapter is supposed to support split tunneling, and I assumed that since it's only necessary to use it for certain applications (like SalesLogix), that only those...
    • harkonenn
    • Thread
    • anyconnect application cisco network remote work tcp/ip traffic tunneling udp vpn
    • Replies: 3
    • Forum: Windows Security

  12. Raw packet is discarded after a UDP broadcast packet is received on a computer that is running Windo

    More...
    • News
    • Thread
    • broadcast computer issues network packets support troubleshooting udp windows
    • Replies: 0
    • Forum: Knowledge Base (KB)
  13. N

    Windows 7 netstat no TCP ports

    Hi I have noticed on my PC, netstat does not display TCP ports, only UDP ports are shown. I have searched online for this issue but couldn't find anything useful, any help or hint is much appreciated. I'm running win7 x64 ultimate Thanks
    • nart
    • Thread
    • connectivity netstat network ports tcp/ip troubleshooting udp ultimate windows 7 x64
    • Replies: 3
    • Forum: Windows Networking

  14. Raw packet is discarded after a UDP broadcast packet is received on a computer that is running Windo

    Fixes an issue in which a raw packet is discarded and an ICMP "destination unreachable" message is returned on a computer that is running Windows 7 or Windows Server 2008 R2. This issue occurs when an application receives a UDP broadcast packet before... More...
    • News
    • Thread
    • broadcast error fixes icmp network packets server 2008 troubleshooting udp windows 7
    • Replies: 0
    • Forum: Knowledge Base (KB)
  15. M

    Windows 7 Is Win7 blocking UDP traffic on 127.0.0.1?

    Hi, We are building an 2 application that connect to 127.0.0.1:30303. They are used to send data from app A to app B, acting as a local p2p connection. On windows XP, everything runs as it should. On windows 7 it doesn't work anymore. We've tried turning off the firewalls, opening ports...
    • mariovde
    • Thread
    • application firewall localhost network p2p socket tcp/ip udp windows 7
    • Replies: 5
    • Forum: Windows Networking
  16. R

    Windows 7 The remote device or resource won't accept the connection and port 8000 + HP Webjet Admin

    Hi i have just installed HP WebjetAdmin on a W7 64bit Office Pro installation. It installed fine and is the 64bit version. Since restarting I get the error message The remote device or resource won't accept the connection Detected Link Removed The device or resource...
    • RoddyJones
    • Thread
    • connection issues device setup firewall hp webjetadmin http listener network issues port 8000 tcp/ip udp windows 7
    • Replies: 1
    • Forum: Windows Help and Support

  17. Stop error message when you run an application that transfers data by using the UDP protocol in Wind

    Fixes a Stop Error 0000007F (Error 0x7F) (UNEXPECTED KERNEL MODE TRAP) issue that occurs when you run an application that transfers data by using the UDP protocol in Windows Server 2008 R2 or in Windows 7. More...
    • News
    • Thread
    • application issues data transfer error 0x7f error resolution fix microsoft server 2008 stop error stop error 0000007f support troubleshooting udp unexpected_kernel_mode_trap update windows 7 windows server
    • Replies: 0
    • Forum: Knowledge Base (KB)

  18. Multicast packets are dropped in Windows 7 or in Windows Server 2008 R2

    Fixes an issue in which multicast packets are dropped when multiple sockets are bound to the same UDP port. This issue occurs in Windows 7 or in Windows Server 2008 R2. More...
    • News
    • Thread
    • fixes multicast network network issues packet loss socket troubleshooting udp windows 7 windows server
    • Replies: 0
    • Forum: Knowledge Base (KB)

  19. Windows 7 Concerns About Persistent UDP Out Connection to Microsoft on Windows 7

    I recently installed windows7 x64 on my desktop and Comodo firewall report this UDP OUT 192.168.1.2:58258 Destination 94.245.121.251:3544 That address seems to belong to Microsoft, the connection is there permanemtly and if terminated it reappears. Could not find much on the net about...
    • Camu
    • Thread
    • comodo connection desktop firewall microsoft network security teredo udp windows 7
    • Replies: 1
    • Forum: Windows Networking

  20. MS11-083: Vulnerability in TCP/IP could allow remote code execution: November 8, 2011

    Resolves security vulnerabilities that exist in the TCP/IP stack that could allow Remote Code Execution if an attacker sends a continuous flow of specifically crafted UDP packets to a closed port. More...
    • News
    • Thread
    • microsoft ms11-083 network patch remote code execution security tcp/ip udp update vulnerability
    • Replies: 0
    • Forum: Knowledge Base (KB)