Presented once again in illustration:
; sdig ns isotech.com.cydns2.lordosinfo.com.dns1.lordosinfo.com.; sdig ns lordosinfo.com.dns1.edynet.com.cy.dns1.lordosinfo.com.; sdig ns edynet.com.cy.dns2.netconnect.com.cy.dns1.netconnect.com.cy.
At the moment:
This week we received 20,583 email messages from 213 different IPaddresses. Our SMTP server handled 21,213 sessions from 1,044different IP addresses. This is a significant jump in incoming emailcompared to last week .
We saw a major jump in connections compared to last week :238,300 connections from at least 32,400 different IP addresses.Broken down by day, it goes:
| Day | Connections | different IPs |
| Sunday |
Presented in illustrations:
; dig +short ns harvest.idv.tw.harvest.idv.tw.www.harvest.idv.tw.; dig +short a harvest.idv.tw.219.84.30.59; dig +short a www.harvest.idv.tw.219.84.30.59
To those setting up nameservers: when people said 'have twonameservers', they did not mean 'and feel free
Today's examples of MX entries are all drawn from domains presented toour mailer in MAIL FROM 's over the past 28 days or so. ' sdig ' is ascript that does a ' dig +short '. Presented in illustrated form:
; sdig mx oakhavenresort.com.10 mail.10 mail.oakhavenresort.com.
It's interesting that they get this simultaneously wrong and right. Isthe plain ' mail. ' supposed to be in some other domain?
; sdig mx
Every system administrator has little twitches, behaviors that strikeoutside observers as somewhere between odd and superstitious. Sometimesthese are just habits, but sometimes they have interesting storiesbehind them.
One of my twitches is that when I use su , I always type ' /bin/su '(or on some irritating systems, ' /usr/bin/su '), not plain ' su '.(By now it's a reflex.)
This habit originated in a bit of security advice. The story goes
So that I don't have to try to remember it or look it up next timearound, here is how to generate a real self-signed SSL certificate withOpenSSL. The basic but incomplete incantation is:
openssl req -x509 -nodes -days-keyout .key -out .crt ... If you want a merged PEM certificate, just make the
-keyoutand-outarguments the same thing. The key (or the PEM
無限廣告在險峰
我和可洛都會去， 當然也要請各位到場撐場，讀讀自己的詩 。否則我們一直讀下去就太悶了。（ps.這不是發佈會）。
幻聽不曾移動瓶子樹 廿九几讀詩會
日期：2005年11月27日
時間：15:00-16:30地點：kubrick書
20051124網摘 – SSE 使 RSS 互動起來
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