#20494: Wifi encryption=psk-mixed disables TKIP (only CCMP available)
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Reporter: robert@… | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone:
Component: base system | Version: Trunk
Keywords: |
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I'm using Chaos calmer and I set "wifi encryption cipher" to "auto" in
luci. By setting "auto" I expected best possible interoperability, but it
turns out that openwrt disables TKIP in this case and only enables CCMP. I
don't think this is intended.
I did this to fix the problem:
{{{
--- netifd-wireless.sh.old 2015-09-12 18:44:31.961805229 +0200
+++ netifd-wireless.sh 2015-09-12 18:44:09.321677788 +0200
@@ -197,7 +197,7 @@
auth_type=none
wpa_pairwise=CCMP
case "$encryption" in
- *tkip+aes|*tkip+ccmp|*aes+tkip|*ccmp+tkip)
wpa_pairwise="CCMP TKIP";;
+ *tkip+aes|*tkip+ccmp|*aes+tkip|*ccmp+tkip|psk-mixed|wpa-
mixed) wpa_pairwise="CCMP TKIP";;
*aes|*ccmp) wpa_pairwise="CCMP";;
*tkip) wpa_pairwise="TKIP";;
esac
}}}
The WPA modes documented on
[http://wiki.openwrt.org/doc/uci/wireless#wpa_modes the wiki] look dated.
mixed-psk seems to be called psk-mixed today for example. It could be that
TKIP has been intentionally disabled for psk-mixed. Then the wiki should
probably be updated and then maybe luci should write a different value for
"auto"?
--
Ticket URL: <https://dev.openwrt.org/ticket/20494>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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