File: //etc/sysctl.d/50-libreswan.conf.org
# when using 1 interface for two networks when using NETKEY, the kernel
# thinks it can be clever by sending a redirect (cause it cannot tell
# an encrypted packet came in, but a decrypted packet came out),
# so it sends a bogus ICMP redirect
#
# We disable redirects for XFRM/IPsec
net.ipv6.conf.default.accept_redirects = 0
net.ipv6.conf.all.accept_redirects = 0
net.ipv4.conf.default.send_redirects = 0
net.ipv4.conf.default.accept_redirects = 0
net.ipv4.conf.all.send_redirects = 0
net.ipv4.conf.all.accept_redirects = 0