Monthly Archives: July 2014

SRF Videoplayer + Adobe Flash Pepper Plugin

Videos auf Webseite www.srf.ch aufgrund veralteter Adobe flash
Xubuntu 13.04 – SRF funktioniert nicht
SF Video-Portal unter Linux Ubuntu nutzen
Use Pepper Flash Player From Google Chrome In Chromium Browser

Install under Ubuntu 14.04/14.10

How to Install Pepper Flash in Ubuntu 14.04

$ sudo apt-get install pepperflashplugin-nonfree
$ sudo update-pepperflashplugin-nonfree --install
$ sudo update-pepperflashplugin-nonfree --status
Flash Player version installed on this system  : 15.0.0.239
Flash Player version available on upstream site: 15.0.0.223

Check Flash Plugin

Flash About
Install Flash Player in 5 easy steps

Linux as a Wireless Access Point (WAP)

WLAN Accesspoint einrichten
WLAN Router

sudo nmcli nm wifi off
sudo rfkill unblock wlan

hostapd Linux documentation page
Hostapd : The Linux Way to create Virtual Wifi Access Point
hostapd error “nl80211: Could not configure driver mode”
Can’t connect to my access point
“WPA: EAPOL-Key timeout” for certain devices
hostapd, rtl8192se and wpa not working: EAPOL-Key Timeout
WLAN AP Geht wieder nicht
Wifi Problem
WPA/WPA2 Authentication failure – EAPOL-Key timeout

nl80211: New station f8:01:13:05:ef:1f
wlan0: Event EAPOL_TX_STATUS (40) received
IEEE 802.1X: f8:01:13:05:ef:1f TX status - version=2 type=3 length=95 - ack=1
WPA: EAPOL-Key TX status for STA f8:01:13:05:ef:1f ack=1
WPA: Increase initial EAPOL-Key 1/4 timeout by 1000 ms because of acknowledged frame
wlan0: STA f8:01:13:05:ef:1f WPA: EAPOL-Key timeout
WPA: f8:01:13:05:ef:1f WPA_PTK entering state PTKSTART
wlan0: STA f8:01:13:05:ef:1f WPA: sending 1/4 msg of 4-Way Handshake
WPA: Send EAPOL(version=2 secure=0 mic=0 ack=1 install=0 pairwise=1 kde_len=0 keyidx=0 encr=0)
WPA: Use EAPOL-Key timeout of 1000 ms (retry counter 2)
### Wireless network name ###
interface=wlan0
### Set your bridge name ###
bridge=br0

#driver=iwlwifi
country_code=UA
ssid=BACHI.NET Wireless
channel=6
hw_mode=g

ieee80211d=1
ieee80211n=1
wmm_enabled=1

macaddr_acl=0
auth_algs=1
ignore_broadcast_ssid=0
wpa=3
wpa_passphrase=**********
wpa_key_mgmt=WPA-PSK
wpa_pairwise=TKIP
rsn_pairwise=CCMP
andreas@samsung-notebook:~$ iw list
Wiphy phy0
	Band 1:
		Capabilities: 0x1072
			HT20/HT40
			Static SM Power Save
			RX Greenfield
			RX HT20 SGI
			RX HT40 SGI
			No RX STBC
			Max AMSDU length: 3839 bytes
			DSSS/CCK HT40
		Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
		Minimum RX AMPDU time spacing: 4 usec (0x05)
		HT TX/RX MCS rate indexes supported: 0-7, 32
		Frequencies:
			* 2412 MHz [1] (15.0 dBm)
			* 2417 MHz [2] (15.0 dBm)
			* 2422 MHz [3] (15.0 dBm)
			* 2427 MHz [4] (15.0 dBm)
			* 2432 MHz [5] (15.0 dBm)
			* 2437 MHz [6] (15.0 dBm)
			* 2442 MHz [7] (15.0 dBm)
			* 2447 MHz [8] (15.0 dBm)
			* 2452 MHz [9] (15.0 dBm)
			* 2457 MHz [10] (15.0 dBm)
			* 2462 MHz [11] (15.0 dBm)
			* 2467 MHz [12] (15.0 dBm) (passive scanning, no IBSS)
			* 2472 MHz [13] (15.0 dBm) (passive scanning, no IBSS)
		Bitrates (non-HT):
			* 1.0 Mbps
			* 2.0 Mbps (short preamble supported)
			* 5.5 Mbps (short preamble supported)
			* 11.0 Mbps (short preamble supported)
			* 6.0 Mbps
			* 9.0 Mbps
			* 12.0 Mbps
			* 18.0 Mbps
			* 24.0 Mbps
			* 36.0 Mbps
			* 48.0 Mbps
			* 54.0 Mbps
	max # scan SSIDs: 20
	max scan IEs length: 195 bytes
	Coverage class: 0 (up to 0m)
	Supported Ciphers:
		* WEP40 (00-0f-ac:1)
		* WEP104 (00-0f-ac:5)
		* TKIP (00-0f-ac:2)
		* CCMP (00-0f-ac:4)
	Available Antennas: TX 0 RX 0
	Supported interface modes:
		 * IBSS
		 * managed
		 * AP
		 * AP/VLAN
		 * monitor
	software interface modes (can always be added):
		 * AP/VLAN
		 * monitor
	valid interface combinations:
		 * #{ managed } <= 1, #{ AP } <= 1,
		   total <= 2, #channels <= 1, STA/AP BI must match
		 * #{ managed } <= 2,
		   total <= 2, #channels <= 1
	Supported commands:
		 * new_interface
		 * set_interface
		 * new_key
		 * new_beacon
		 * new_station
		 * new_mpath
		 * set_mesh_params
		 * set_bss
		 * authenticate
		 * associate
		 * deauthenticate
		 * disassociate
		 * join_ibss
		 * join_mesh
		 * set_tx_bitrate_mask
		 * action
		 * frame_wait_cancel
		 * set_wiphy_netns
		 * set_channel
		 * set_wds_peer
		 * Unknown command (84)
		 * Unknown command (87)
		 * Unknown command (85)
		 * Unknown command (89)
		 * Unknown command (92)
		 * connect
		 * disconnect
	Supported TX frame types:
		 * IBSS: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * managed: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * AP: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * AP/VLAN: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * mesh point: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * P2P-client: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * P2P-GO: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * Unknown mode (10): 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
	Supported RX frame types:
		 * IBSS: 0x40 0xb0 0xc0 0xd0
		 * managed: 0x40 0xd0
		 * AP: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
		 * AP/VLAN: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
		 * mesh point: 0xb0 0xc0 0xd0
		 * P2P-client: 0x40 0xd0
		 * P2P-GO: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
		 * Unknown mode (10): 0x40 0xd0
	Device supports RSN-IBSS.
	WoWLAN support:
		 * wake up on disconnect
		 * wake up on magic packet
		 * wake up on pattern match, up to 20 patterns of 16-128 bytes
		 * can do GTK rekeying
		 * wake up on GTK rekey failure
		 * wake up on EAP identity request
		 * wake up on rfkill release
	HT Capability overrides:
		 * MCS: ff ff ff ff ff ff ff ff ff ff
		 * maximum A-MSDU length
		 * supported channel width
		 * short GI for 40 MHz
		 * max A-MPDU length exponent
		 * min MPDU start spacing
	Device supports TX status socket option.
	Device supports HT-IBSS.

IPv6

Internet Protocol Version 6 (IPv6) Basics cheat sheet – 20130711 (PDF)
IPv6 Autoconfiguration and Renumbering
IPv6 address
Different methods to assign a Global Unicast IPv6 address to an interface

Ping

IPv6 – Proxy the neighbors (or come back ARP – we loved you really)
Things you didn’t known about IPv6 link-local address

Socket Programming

C Language Examples of IPv4 and IPv6 Raw Sockets for Linux
IPv6-tauglich programmieren in C/C++, Python und Perl
Binding Sockets to IPv4 and IPv6

int v6only = 1;
if (ai-&gt;ai_family == AF_INET6 &amp;&amp; setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &amp;v6only, sizeof(v6only)) &lt;  0) {
    /* error */
}

RFC

RFC 1981 Path MTU Discovery for IPv6
RFC 2375 IPv6 Multicast Address Assignments
RFC 2460 IPv6 Specifications
RFC 3587 IPv6 Global Unicast Address Format
RFC 3596 DNS Extensions to Support IP Version 6
RFC 3849 IPv6 Address Prefix For Documentation
RFC 4193 Unique Local IPv6 Unicast Addresses
RFC 4291 IPv6 Addressing Architectures
RFC 4443 ICMPv6 for IPv6
RFC 4861 IPv6 Neighbor Discovery
RFC 4862 IPv6 Stateless Address Configuration
RFC 4941 Privacy Extensions for Stateless Address Autoconfiguration (SLAAC) in IPv6
RFC 6146 Stateful NAT64
RFC 6147 DNS64 – DNS Extensions for NAT64
RFC 6434 IPv6 Node Requirements
RFC 6540 IPv6 Support Required for All IP-Capable Nodes

Services

Resource Reservation Protocol (RSVP)
Resource Reservation Protocol – Traffic Engineering (RSVP-TE)
Quality of Service (QoS)
Integrated Services (IntServ)
Differentiated Services (DiffServ)

Neighbor Discovery Protocol (NDP)

Microsoft IPv6 Neighbor Discovery
Duplicate Address Detection (Slide 36 of presentation)

Link-local address

EUI-64 in IPv6 -> invert the universal/local (U/L) flag (bit 7) in the OUI portion of the address