All Questions
101
questions
1
vote
0
answers
281
views
Is there a way to tell the difference between a direct connection and network connection
I want to configure a linux(ubuntu) machine such that when a direct connection is made with another PC my machine will enable a DHCP server and serve it an IP address, but if my machine is connected ...
- 143
0
votes
3
answers
480
views
What is the relationship between my public IP address and the address assigned to my NIC?
When I run an online IP-lookup tool, like https://whatismyipaddress.com/, I get an IP address like 24.253.65.208.
But I've set up my home router as a DHCP Server and I've assigned static IP addresses ...
- 1,207
0
votes
2
answers
668
views
Very weird DHCP IP range, never seen it before
I'm trying to figure out what this DHCP IP range means, it's in a format which I've never seen before.
Am I right in thinking that the range is in the middle? If so, then what the heck is the number ...
- 1
0
votes
2
answers
1k
views
IP address assignment and configuration for multiple devices, multiple routers at home
Due to various reasons, I have 3 WiFi broadband routers at my home (or say my personal hobby hacking lab). On WAN side one is FTTH, another is ADSL and third is 4G-LTE. On WLAN side they are assigned ...
- 659
0
votes
1
answer
64
views
Do DHCP and IP depend on each other?
DHCP is a protocol at the application layer, so it must depend on the IP protocol in the network layer. But the IP protocol requires assignment of IP addresses to network interfaces, which is the job ...
- 17.3k
0
votes
1
answer
311
views
block RFC1918 networks in pFsense for LAN seems not to work
Description of the issue: I've created a rule inside pFsense to block any traffic directed at RFC1918 originating from my OPT1 network, and it works fine. Now when I open terminal on OPT1 network PC I ...
0
votes
2
answers
3k
views
How does ISP know when to change the dynamic IP?
As I understand, ISP uses DHCP protocol to give out IPs from some pool. Every time they give the IP via DHCP it has a lease time. At the end of a lease time, a router can receive the same IP - but it ...
- 161
0
votes
1
answer
869
views
dhclient fails and breaks networking (uses a weird ip/subnet mask settings)
Yesterday the router on the network went bad and seemed to start giving out IP addresses on 192.168.100.x IP addresses, it was unreachable, after a while it seemed to resolve itself and was accessible ...
0
votes
2
answers
1k
views
rapidly changing ip address
Not sure if this is the right place to ask this.
I noticed this when I was doing some development in php. I used the remote ip address as one method to track a session of a user.
In some of my ...
0
votes
1
answer
562
views
internal static IP address configuration from router
How do I reserve an IP address for tleilax and ensure that tleilax only gets that reserved address? The tleilax box uses DHCP.
When I look at attached devices, I see:
Attached Devices
Wired ...
- 1,650
0
votes
1
answer
149
views
Windows Home Server running for the first time in years - How to find out its IP address?
Several years ago I used a small Acer Windows Home Server. I have not used this device in years. Now I would like to access it again to see what data is still on it.
Beside some USB ports its offers ...
- 163
0
votes
2
answers
2k
views
What is the best practice for assigning static IP addresses? [closed]
In my scenario, I would be assigning IP addresses to security cameras.
I am wondering if I should assign a static IP address from the device itself, or have a static entry on my DHCP server with their ...
- 338
0
votes
1
answer
587
views
If I have 2 IPs assigned to an interface, how do I release just an specific IP?
I was doing some dhcp tasks for homework, and in one exercise I needed to release the IP on one client, to then in the server with tcpdump capture the packages describing the whole DHCP communication.
...
- 135
0
votes
2
answers
135
views
Trying to understand DHCP for my particular situation
Although I have read articles on networking, I still fail to understand it practically, so I would very much appreciate someone explain my questions. (I know the theoretical definitions, I just don't ...
- 866
0
votes
1
answer
219
views
DHCP fixed client not working
I have been trying to set a static IP address through a router to an Arduino that uses DCHP connection, the thing is that I have tried this in multiple routers but it keeps changing the IP address ...
