Debug
今天在家里的票务系统上修改某个票的状态（该操作会出发点一封邮件）时，
我正好另一个窗口开着邮件服务器的日志，观察到一些奇怪的现象：
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| Mar 19 20:17:12 XXXXXX postfix/smtp[XXXXX]: certificate verification failed for
gmail-smtp-in.l.google.com[2607:f8b0:4023:1c03::1a]:25: self-signed certificate
Mar 19 20:17:12 XXXXXX postfix/smtp[XXXXX]: Untrusted TLS connection established
to gmail-smtp-in.l.google.com[2607:f8b0:4023:1c03::1a]:25: TLSv1.3 with cipher
TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS
(2048 bits) server-digest SHA256
Mar 19 20:17:12 XXXXXX postfix/smtp[XXXXX]: XXXXXXXXXX: Server certificate not verified
Mar 19 20:17:13 XXXXXX postfix/smtp[XXXXX]: certificate verification failed for
gmail-smtp-in.l.google.com[142.250.142.26]:25: self-signed certificate
Mar 19 20:17:13 XXXXXX postfix/smtp[XXXXX]: Untrusted TLS connection established
to gmail-smtp-in.l.google.com[142.250.142.26]:25: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384
(256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256
Mar 19 20:17:13 XXXXXX postfix/smtp[XXXXX]: XXXXXXXXXX: Server certificate not verified
Mar 19 20:17:13 XXXXXX postfix/smtp[XXXXX]: certificate verification failed for
alt1.gmail-smtp-in.l.google.com[142.250.115.27]:25: self-signed certificate
Mar 19 20:17:13 XXXXXX postfix/smtp[XXXXX]: Untrusted TLS connection established
to alt1.gmail-smtp-in.l.google.com[142.250.115.27]:25: TLSv1.3 with cipher
TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS
(2048 bits) server-digest SHA256
Mar 19 20:17:13 XXXXXX postfix/smtp[XXXXX]: XXXXXXXXXX: Server certificate not verified
Mar 19 20:17:14 XXXXXX postfix/smtp[XXXXX]: certificate verification failed for
alt1.gmail-smtp-in.l.google.com[2607:f8b0:4023:1004::1b]:25: self-signed certificate
Mar 19 20:17:14 XXXXXX postfix/smtp[XXXXX]: Untrusted TLS connection established to
alt1.gmail-smtp-in.l.google.com[2607:f8b0:4023:1004::1b]:25: TLSv1.3 with cipher
TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS
(2048 bits) server-digest SHA256
Mar 19 20:17:14 XXXXXX postfix/smtp[XXXXX]: XXXXXXXXXX: Server certificate not verified
Mar 19 20:17:14 XXXXXX postfix/smtp[XXXXX]: Verified TLS connection established to
alt2.gmail-smtp-in.l.google.com[2607:f8b0:4003:c15::1b]:25: TLSv1.3 with cipher
TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA
(prime256v1) server-digest SHA256
Mar 19 20:17:15 XXXXXX postfix/smtp[XXXXX]: XXXXXXXXXX: to=<XXXXXXX@gmail.com>,
relay=alt2.gmail-smtp-in.l.google.com[2607:f8b0:4003:c15::1b]:25, delay=2.8,
delays=0.06/0.1/2/0.66, dsn=2.0.0, status=sent (250 2.0.0 OK XXXXXXXXXX
XXXX-XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.XX - gsmtp)
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12月1日，FreeBSD 发布了 FreeBSD-EN-23:16.openzfs，
用于修正近期发现的 ZFS 数据损坏问题。
这个问题是由 Rob Norris
最终修正的，这里记一笔。
阅读全文…(
本文约 3514 字，阅读大致需要 8 分钟
)今天无意中看了一眼服务器日志，结果发现了一些奇怪的消息：
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| warning: unknown[122.168.199.151]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
warning: unknown[176.8.89.240]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
warning: unknown[185.232.21.42]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
warning: unknown[206.217.216.13]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
warning: unknown[220.196.249.145]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
warning: unknown[5.253.204.74]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
warning: unknown[70.45.212.49]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
warning: unknown[93.177.73.82]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
warning: unknown[93.177.75.66]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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这里的 UGFzc3dvcmQ6 是什么呢？从直觉上看似乎是个 base64 编码的字符串。解码试试看，果然：
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本文约 221 字，阅读大致需要 1 分钟
)今天和 Henry Hu 聊起 iichid 已经进了 FreeBSD 的主线，
想起自己之前鼠标啥的还是都在用 sysmouse，觉得既然来都来了就索性都改成 evdev 的输入设备算了？
改了 /boot/loader.conf 并增加了下列设置：
iichid_load="YES"
usbhid_load="YES"
hms_load="YES"
hw.usb.usbhid.enable="1" # 防止uhid(4)接管
重启。等等，一闪而过的那是什么？
ntpd is not allowed to log in on /dev/console