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From jayapal <>
Subject [GitHub] cloudstack pull request: Fix site-to-site VPN feature
Date Fri, 14 Aug 2015 08:37:50 GMT
Github user jayapal commented on the pull request:
    Guys wrong tag.
    Myuser name is jayapal and actual commiter was jayapalu
    On Fri, Aug 14, 2015 at 1:47 PM, Remi Bergsma <>
    > This is work done together with @Jayapal <> on
    > fixing the site2site VPN. The first part was done in PR #690
    > <> by @Jayapal
    > <>. On top of that, some other fixes were
    > needed and those are added in this PR. It made sense to make a new PR which
    > includes all fixes so we can actually test it.
    > The original PR #690 <> is
    > already merged into this one, so can be closed. Since the commit ids are
    > kept the same, merging this will close both.
    > I closely compared the 4.4/4.5 implementation with the new 4.6 one. I did
    > not only make it work, but also added some security improvements (some of
    > which were also in 4.4/4.5). I noticed the pre shared key was being logged,
    > so removed that as well.
    > This is how I tested and verified it:
    > When I have some time available, I'll write a Marvin test for it that we
    > can include in the repo.
    > It now works(tm) with one manual step due to CLOUDSTACK-8685:
    > We need a default gateway before site-to-site VPN will actually work. It
    > will connect, but not forward packets. The reason for this, is due to the
    > iptables setup. VM1 has router1 as gateway, but router1 does not know the
    > route to VM2 so it will give up. With a default gateway, the packets are
    > about to be forwarded to the default gateway but when they reach eth1 the
    > public nic, iptables kicks in, does some magic and forwards it through the
    > ipsec tunnel. So, you need a default gw set to upstream.
    > Workaround for now is setting the route manually:
    > route add default gw or ip route add default via
    > In other words, we need to fix CLOUDSTACK-8685 soon, too.
    > @Jayapal <> @snuf <>
    > could you please review this?
    > ------------------------------
    > You can view, comment on, or merge this pull request online at:
    > Commit Summary
    >    - CLOUDSTACK-8710: Fixed applying iptables rules for s2s vpn
    >    - CLOUDSTACK-8730: fix s2s iptables rules and ipsec config
    >    - tighten security of site-to-site VPN
    >    - do not log sensitive site-to-site VPN PSK
    >    - Merge pull request #690 from jayapalu/vpn
    > File Changes
    >    - *M* systemvm/patches/debian/config/opt/cloud/bin/
    >    <> (18)
    >    - *M* systemvm/patches/debian/config/opt/cloud/bin/cs/
    >    <> (5)
    > Patch Links:
    >    -
    >    -
    > —
    > Reply to this email directly or view it on GitHub
    > <>.

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