Tagged Questions
1
vote
1answer
58 views
IPSec, hubs, crypto maps
I thought hubs were layer 1 devices, and so would have no active role in IPSec. I am reading to understand crypto maps,
Dynamic crypto map policies are used in site-to-site VPNs when an unknown ...
2
votes
1answer
74 views
IPSec AH + ESP used together
When ESP and AH are used together (ESP transport, AH transport) on the same packet does ESP encrypt the AH's hash, or is the hash left in the clear?
If the hash isn't encrypted, there are obviously ...
-1
votes
1answer
178 views
IPSec VPN v/s MPLS VPN in cellular v/s public internet access [closed]
Looking to understand the options available in WAN machine to machine communication. Cellular providers provide MPLS based VPN. IPSec VPN is another option available over the public internet.
What ...
2
votes
2answers
77 views
Using External Certificates on a network that doesn't permit outbound HTTP/S access
Some highly secure networks and DMZs prevent all communication to outside hosts. This can cause issues with validating externally signed data
I can guess that issues with signature validation occur ...
2
votes
2answers
148 views
network improvements over ipsec
I have a specific environment in which TCP is not optimal due to its general assumptions, and thus needs to be improved. This small improvement has been done successfully. It operates at various ...
7
votes
6answers
664 views
How can I restrict access to network data by an unauthorized computer that connects via Ethernet?
I assume I can configure most routers to only assign IP addresses to specific MAC addresses, as is possible with wireless routers.
However what if a computer is connected via Ethernet and does not ...
5
votes
2answers
367 views
What are the risks associated with relying on IPSec IP Filtering?
When using Windows IPSec for IP filtering whenever a filter is added you need to have a "mirror" rule (by checking the "Mirrored. Match packets..." tickbox).
Because IPSec Filtering is not stateful, ...
4
votes
3answers
415 views
Books on Cryptography, with a focus on application to Network Security?
Looking for some nice text books in the field of network security as part of my course. Our course covers mainly tls, ssl, pgp, smime, vpn, md5, hmac ....
8
votes
1answer
804 views
What's are the advantages of L2TP/IPSEC over plain IPSEC?
As the title says really, my firewall (Sonicwall) can do either IPSEC or L2TP/IPSEC for VPN connections. One advantage of L2TP/IPSEC I can see is that the client computer get allocated it's own IP ...
4
votes
1answer
1k views
Is L2TP as secure as IPSEC for VPNs?
Is it as secure to use L2TP for VPN access, rather than IPSEC? Am I introducing any risks by using L2TP?
11
votes
7answers
9k views
What is the difference in security between a VPN- and a SSL-connection?
I would like to design a client-server application where the server is placed on Internet. I assume that I could set up the client-server connection using VPN (is it using IPSec?) or using a SSL ...
5
votes
2answers
371 views
Does DNSSec have any benefit if used with IPSec-enabled IPv6?
I'm not sure if the RFC's support a IPSec-only implementation of DNS, but if it does, what does that mean for DNSSec?
Is DNSSec an IPv4-only technology?
13
votes
4answers
698 views
IPsec (Internet Protocol Security) facts
Internet Protocol Security (IPsec) is a successor of the ISO standard Network Layer Security Protocol (NLSP). What are the advantages, disadvantages, other interesting facts regarding the protocol?
