Wireless Security

Why should we care about wireless security?
1. wireless data are broadcasted in the air. If you don't encrypt your data, anyone can view your data transmitted.
2. protect your computers from unauthorized access. Anyone who can access your wireless network can also access your computer.
3. prevent unauthorized access of your ISP. If a hacker used your internet to hack in other sites, spread virus or download copyright video or software, you would be held responsible for the crime.

What is wireless security?
Have you ever use two-way radio? When your friend and you tune in the same channel, you can talk with each other. However, anyone can hear your conversation when he tune in the same channel. This is similar to unsecured wireless network.

Newer two-way radio has a sub channel option. Only your friend with correct sub channel can talk with you. Other people can hear noise only. Sophisticated hacker can try all sub channel to figure out the sub channel you are on and tap in to your message. This is similar to secured wireless network with weaker encryption WEP. Hacker can break your WEP key within an hour.

Latest fix to wireless encryption is WPA. No known method to break WPA key within reasonable time. WPA key is dynamic changing in regular interval to provide extra difficulty for hacker.

Sidenote:
You should only use channel 1, 6 or 11. They are the only three non-overlap channels in United States. These should create least interference.

Dilbert becomes religious

犯罪

今天的『烤麵包師傅』會議上，『桌上議題』是關於紐約州州長。主持人問，為甚麼州長知道他所做的事是錯的，還是要繼續做。這對我是一個提醒，為甚麼我們會不斷的犯罪，而不自知？

《像個牧者的主》

耶穌領導我安然休歇溪水中間，
祂伴著我經過困難，泉水心中湧出。
從今我若有憂愁，恩主率領分擔，
祂常導我歸向正途，平安的心舒暢。
我縱須身經幽谷，我必不會怕害，
遇萬事祂必看顧，要賜我真福氣。
一切試探會滅絕，是祂施恩堅固，
求看見大能，妙極，莫測，痛擊空中惡魔。
耶穌信實有光榮，恩愛恤憫永牽，
親自召我跨進聖城，由此得到永生，Oo---
祂為著我必會再來，我歸居天國。Amen。

給我一個交代

早一陣子，我們常常聽到新聞報道說，塵罐稀，你欠我們一個交代。我想了又想，我和他一丁點的關係也沒有，我為何要他向我解釋？

早一陣子，一位弟兄要到別的教會，我心中想，你欠我一個交代。現在再想，他根本沒有需要向我解釋。

早一陣子，一位弟兄遲到，我又在想，你又欠我一個交代。現在回想，他沒有欠我甚麼。

早一陣子，自己病了也堅持走到臺上，另外一位弟兄也病了，沒有回來。但是他居然比我還健康，我有想，你也欠我一個交代。現在才知道，他也沒有欠我甚麼。

當我們作神的僕人的時候，我們常常去比較，誰做得比較好。但是我們根本沒有去批評人的權利。我們還是把自己應該做的先做好吧。

你是誰，竟然批評別人的家僕呢？他或站穩或跌倒，只和自己的主人有關；但他必定站穩，因為主能夠使他站穩。（羅馬書14：4）