All Questions
8
questions
0
votes
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185
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To allow IPsec NAT-T traffic to pass through, why does the firewall still need to permit ESP when it already allows UDP 4500?
I established an IPsec VPN tunnel between two Juniper SRX routers across NAT, with the NAT being performed by the firewall (a Linux server). When attempting to configure the firewall rules to allow ...
0
votes
0
answers
158
views
Bandwidth control using traffic control `tc` on Strongswan ipsec connection
I am in the need to use traffic control tc to regulate the bandwidth.
From what I known is that I can manage the bandwidth using the following
DEV=eth0
RATE="100kbps"
tc qdisc del dev $DEV ...
- 51
1
vote
0
answers
388
views
StrongSwan 5.9.1 (Debian Bullseye): Traffic from IPsec tunnel gets forwarded via Ethernet, but not via bridge
The following problem:
I have a server that is, in addition to other tasks not relevant for the problem at hand, supposed to act as an IPsec gateway.
When I'm using the Ethernet interface pointing to ...
- 265
1
vote
0
answers
2k
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iptables to nftables for iKEv2 IPSEC VPN server
Can someone please help in converting the below iptable rules to equivalent nftables rules?
I have already tried to use iptables-translate, but it is not translating all of my rules...
# accept ports ...
- 111
1
vote
0
answers
117
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firewalld: Block non-ESP packets on interface in GNU/Linux similar to OpenBSD
I am trying to "enforce" IPSec (StrongSwan) traffic on openSUSE.
On OpenBSD, with the IKE daemon iked and the packet filter pf, I employ a ruleset like the following, to ensure only ...
- 26
0
votes
0
answers
224
views
Configure L2TP/IPSec so the user identity is passed to iptables rule
Hi I'm pretty new to this so you'll have to be very explicit.
I set up L2TP/IPSec on CentOS so that I can VPN. User identities are stored in the /etc/ppp/chap-secrets, mainly because that's how ...
- 181
5
votes
0
answers
6k
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How do I configure DD-WRT to forward IPSec traffic to an internal server to support a road warrior configuration?
I use dd-wrt as my home router setup and that's been working fine. Now I wanted to figure out a way to be able to use my iPad to set up a IPSec tunnel to my home network while I'm on the road.
PPTP ...
- 193
0
votes
1
answer
3k
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will the left|rightfirewall option of StrongSwan open UDP 500/4500 and protocol number 50 on iptable?
I know the StrongSwan use UDP 500 and 4500 for IKE traffic and IP protocal number 50 for ESP packages.
I am not sure the usage of left|rightfirewall option(http://wiki.strongswan.org/projects/...
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