Is it a Bad Idea™ to open all IPv6 ports for devices in an isolated guest network?

At home I have a dual-stack IPv4/IPv6 broadband connection, and I also have a wireless access point. The access point currently bridges all traffic into my LAN, which is not segmented in any way, so all visitors that use my wireless networ… Continue reading Is it a Bad Idea™ to open all IPv6 ports for devices in an isolated guest network?

Is my server safe from remote hackers if I only allow 1 port and 1 service behind it which only hashs incoming bytes stream & send the hash key back? [duplicate]

I have a python script ,which accepts an incoming connection, reads from the byte stream ,hash it (I’m pretty sure the hash function itself can’t be exploited) ,sends the hash key back ,then closes the connection .

Is my server secure (by… Continue reading Is my server safe from remote hackers if I only allow 1 port and 1 service behind it which only hashs incoming bytes stream & send the hash key back? [duplicate]

Is my server safe from remote hackers if I only allow 1 port and 1 service behind it which only hashs incoming bytes stream & send the hash key back? [duplicate]

I have a python script ,which accepts an incoming connection, reads from the byte stream ,hash it (I’m pretty sure the hash function itself can’t be exploited) ,sends the hash key back ,then closes the connection .

Is my server secure (by… Continue reading Is my server safe from remote hackers if I only allow 1 port and 1 service behind it which only hashs incoming bytes stream & send the hash key back? [duplicate]