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-rw-r--r--wgengine/netstack/netstack.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/wgengine/netstack/netstack.go b/wgengine/netstack/netstack.go
index a8c9aa6bd..cbd78495a 100644
--- a/wgengine/netstack/netstack.go
+++ b/wgengine/netstack/netstack.go
@@ -12,6 +12,7 @@ import (
"io"
"log"
"net"
+ "os"
"strconv"
"strings"
"sync"
@@ -452,6 +453,9 @@ func (ns *Impl) acceptTCP(r *tcp.ForwarderRequest) {
func (ns *Impl) forwardTCP(client *gonet.TCPConn, wq *waiter.Queue, dialAddr tcpip.Address, dialPort uint16) {
defer client.Close()
dialAddrStr := net.JoinHostPort(dialAddr.String(), strconv.Itoa(int(dialPort)))
+ if alt := os.Getenv(fmt.Sprintf("TAILSCALE_INCOMING_REMAP_%s_%d", dialAddr, dialPort)); alt != "" {
+ dialAddrStr = alt
+ }
ns.logf("[v2] netstack: forwarding incoming connection to %s", dialAddrStr)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()