diff options
| -rw-r--r-- | src/lbdecision.cc | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/lbdecision.cc b/src/lbdecision.cc index c1731fe..22d56a9 100644 --- a/src/lbdecision.cc +++ b/src/lbdecision.cc @@ -211,8 +211,13 @@ LBDecision::update_paths(LBData &lbdata) if (lbdata._disable_source_nat == false) { if (new_addr != iter->second._address) { - int err = execute(string("iptables -t nat -D WANLOADBALANCE -m connmark --mark ") + buf + " -j SNAT --to-source " + iter->second._address, stdout); - err |= execute(string("iptables -t nat -A WANLOADBALANCE -m connmark --mark ") + buf + " -j SNAT --to-source " + new_addr, stdout); + int err = 0; + if (iter->second._address.empty() == false) { + int err = execute(string("iptables -t nat -D WANLOADBALANCE -m connmark --mark ") + buf + " -j SNAT --to-source " + iter->second._address, stdout); + } + if (new_addr.empty() == false) { + err |= execute(string("iptables -t nat -A WANLOADBALANCE -m connmark --mark ") + buf + " -j SNAT --to-source " + new_addr, stdout); + } if (err == 0) { //only set if both are 0 iter->second._address = new_addr; } |