search for: spoofable

While setting up my first dial plan, I find that notions like remote ip, network, or incoming network interface seem to be totally lacking regarding calling parties, where * still seems to fully rely on the easily spoofable caller id. Especially, allowing only certain ips or networks to enter a specific context in the dial plan is apparently not possible, at least in the h323 world. Don't know yet about sip or aix, but I guess it's the same since the extension syntax xyz => extension/somevariable limits ro...

Hi there, I''m not sure if I can do this with shorewall, but any points on the right direction would be of great help... I need to have a LAN with access only enabled to certain set of computers. I was planning on having the dhcp server just give IPs to certain MAC addresses, but if a smart guy configures his computer manually with a valid IP for the LAN he can get access to the LAN

On 02/23/2017 01:03 PM, Lamar Owen wrote: > On 02/23/2017 03:32 PM, James Hogarth wrote: >> On 23 February 2017 at 19:55, Lamar Owen <lowen at pari.edu> wrote: >>> Not to stir up a hornets' nest, but how does Google's announcement at >>> https://shattered.it affect this now? (Executive summary: Google has >>> successfully produced two different

I''m in the process of locking down as much of my systems here as possible as to available ports. I am down to only a handful but am not sure how much of a security risk they pose and was wondering if anyone here might be able to comment, or suggest secure versions to run: 21/FTP (WU-ftpd v2.4.2 BETA 14) 22/SSH (1.22) 23/TELNET (Netkit 0.09) 25/SMTP (Sendmail

Greetings all, I''m forwarding a copy of an email I sent reporting attempted break-ins on my main server, earth.terran.org. I am forwarding this because I think it is relevant that folks watch for this kind of activity in their logs to catch people who "try doorknobs" in the middle of the night. After sending this email, I sent a talk request to the user, who was still logged

I am planning to schedule a monthly XCP meeting for the community and am struggling with when to host the call. As we are a global community, there is no single optimal time to host the meeting. In an effort to support the most likely attendees, please send me your time zone if you plan to participate in these calls. I will track the most common time zones in an effort to maximize attendance. All

I am planning to schedule a monthly XCP meeting for the community and am struggling with when to host the call. As we are a global community, there is no single optimal time to host the meeting. In an effort to support the most likely attendees, please send me your time zone if you plan to participate in these calls. I will track the most common time zones in an effort to maximize attendance. All