Fedora36: Domain settings

2023.09.01 2022.09.21

🔗

1. Install DiCE.
   1. DiCE settings.
   2. Change the character code to “EUC-JP”.
2. Added DiCE events.
3. その他の方法

Install DiCE.

Install the wget and glibc packages.

(If you cannot use DiCE, please see here.Common Settings: Domain Settings）

[root@www ~]# dnf -y install wget
[root@www ~]# dnf -y install glibc

Download DiCE and unzip it.

[root@www ~]# cd /usr/local/bin
[root@www bin]# wget https://rcg.jp/download/DiCE.tar.gz
[root@www bin]# tar xzvf DiCE.tar.gz
[root@www bin]# rm -f DiCE.tar.gz
[root@www bin]# cd

DiCE settings.

Install the library.

[root@www ~]# dnf install ld-linux.so.2

Reply with ‘y’.

Is this ok [y/d/N]: y

Change the character code to “EUC-JP”.

Select “Setup” → “Terminal”.

Change “Kanji(receive)” and “Kanji(transmit)” to EUC and click “OK”.

Setup.

[root@www ~]# setarch `uname -m` /usr/local/bin/DiCE/diced
=-=-=- DiCE DynamicDNS Client -=-=-=
Version 0.19 for Japanese
Copyright(c) 2001 sarad

:setup
IPアドレスの検出方法を指定してください 
Please specify how to detect the IP address
(0) 自動検出 Auto detect
(1) ローカルのネットワークアダプタから検出  Detected from local network adapter
(2) 外部のスクリプトから検出 Detection from an external script
<現在:0> <Current: 0>
(N)変更しない Do not change  (P)戻る Return
>2
-------------------------------------------------
スクリプトのURLを入力してください 
Enter script URL
<現在:> <Current: No>
(N)変更しない Do not change (P)戻る Return
>http://dyn.value-domain.com/cgi-bin/dyn.fcg?
-------------------------------------------------
プライベートIPアドレスも検出対象ですか？ 
Are private IP addresses also subject to detection? (Y/N)
<現在:いいえ> <Current: No>
(P)戻る Return
>N
-------------------------------------------------
IPアドレスの検出をテストしますか？ 
Do you want to test IP address detection? (Y/N)
(P)戻る
>Y
検出IPアドレス>***.***.***.*** 
Click here to check if the above detection IP address is not displayed.
Confirm IP address
-------------------------------------------------
IPアドレスの検出をテストしますか？ 
Do you want to test IP address detection?(Y/N) 
(P)戻る 
>N
-------------------------------------------------
IPアドレスをチェックする間隔を指定してください(分) 
Specify the interval for checking IP addresses (minutes)
設定可能範囲は5分以上です The settable range is 5 minutes or more.
<現在:60> <Current: 60>
(N)変更しない Do not change  (P)戻る Return
>5
=================================================
DNSサーバーの負荷を軽減するために頻繁なDNS更新を防ぐ必要があります 
前回の更新から一定時間DNS更新処理を行わないように保護時間を設定して
ください(分) 設定可能範囲は10分から1440分です
Frequent DNS updates should be prevented to reduce load on DNS servers 
Set the protection time to prevent DNS update processing for a certain period of time from the last update (minutes) 
The configurable range is 10 minutes to 1440 minutes.
<現在:60> <Current: 60>
(N)変更しない Do not change  (P)戻る Return
>10
=================================================
設定を保存しますか? 
Save settings? (Y/N)
(P)戻る
>Y
設定を保存しました 
I saved the setting
=================================================

Added DiCE events.

Set according to the domain (VALUE DOMAIN).

:add
新しくイベントを追加します

DynamicDNSサービス名を入力してください 
"?"で対応しているサービスを一覧表示します
 
Add new event

Enter the DynamicDNS service name
List supported services with "?"

:ex 0
+ 4/8 17:00 にVALUEDOMAIN-server.jpが実行されました VALUEDOMAIN-server.jp was executed on 4/8 17:00
  IPアドレスを更新しました Updated IP address
:quit

その他の方法

IPアドレス更新スクリプトを作成します。

[root@www ~]# vi /usr/local/bin/update_ip_script.sh
#!/bin/bash

# Store your domain, password, hostname, and current IP address in variables
DOMAIN=${1}
PASS=${2}
HOST=${3}

# Store URLs and values in variables
IPINFO_URL="http://ipinfo.io/ip"
VD_UPDATE_BASE_URL="http://dyn.value-domain.com/cgi-bin/dyn.fcg"
NS_SERVER="ns1.value-domain.com"  # Store the DNS server address

DOMAIN_LOG="d"
PASS_LOG="p"
HOST_LOG="h"
CURRENTIP_LOG="i"

if [ "${HOST}" = "" ]; then
    FQDN=${DOMAIN}
else
    FQDN="${HOST}.${DOMAIN}"
fi

# Error Messages
ERROR_MSG_VDIP="Error detecting IP address configured in VALUE-DOMAIN settings"
ERROR_MSG_CURRENTIP="Error detecting current IP address"
UPDATE_SUCCESS_MSG="IP address update successful"
UPDATE_ERROR_MSG="IP address update error"
EMAIL_SUBJECT="IP address update error"

# Obtain IP address configured in VALUE-DOMAIN settings
IPGETLOG=`host ${FQDN} ${NS_SERVER} 2>&1`
VDIP=`echo "${IPGETLOG}" | grep "has address" | awk '{ print $NF }' | egrep ^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$`
if [ $? -ne 0 ]; then
    echo "${FQDN} ${ERROR_MSG_VDIP}" | logger -t $(basename $0)
    echo ${IPGETLOG} | logger -t $(basename $0)
    exit
fi

# Obtain current IP address
IPGETLOG=`curl "${IPINFO_URL}" 2>&1`
echo "${IPGETLOG}" | egrep ^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$ > /dev/null 2>&1
if [ $? -eq 0 ]; then
    CURRENTIP=`echo "${IPGETLOG}" | tail -n 1 | awk '{ print $NF }'`
else
    echo "${DOMAIN} ${ERROR_MSG_CURRENTIP}" | logger -t $(basename $0)
    echo "${IPGETLOG}" | logger -t $(basename $0)
    exit
fi

# Create URL query parameters
QUERY_PARAMS="${DOMAIN_LOG}=${DOMAIN}&${PASS_LOG}=${PASS}&${HOST_LOG}=${HOST}&${CURRENTIP_LOG}=${CURRENTIP}"

# Combine with the base URL for VALUE-DOMAIN update
VD_UPDATE_URL="${VD_UPDATE_BASE_URL}?${QUERY_PARAMS}"

# Update VALUE-DOMAIN configured IP address
# (Only if VALUE-DOMAIN configured IP address is different from current IP address)
if [ "${VDIP}" != "${CURRENTIP}" ]; then
    IPUPDATE=`wget -q -O - "${VD_UPDATE_URL}"`
    echo ${IPUPDATE} | grep -q OK
    if [ $? -eq 0 ]; then
        echo "${FQDN} ${UPDATE_SUCCESS_MSG} ${VDIP} to ${CURRENTIP}" | logger -t $(basename $0)
    else
        echo "${FQDN} ${UPDATE_ERROR_MSG}" | logger -t $(basename $0)
        echo ${IPUPDATE} | logger -t $(basename $0)
        (
        echo ${UPDATE_ERROR_MSG}
        echo ${IPUPDATE}
        ) | mail -s "${SCRIPT##*/}${EMAIL_SUBJECT}" root
        exit 1
    fi
fi
exit

IPアドレス更新スクリプトへ実行権限付加します。

[root@www ~]# chmod +x /usr/local/bin/update_ip_script.sh

IPアドレス更新スクリプトを実行します。

[root@www ~]# /usr/local/bin/update_ip_script.sh ドメイン パスワード "*"

IPアドレス更新スクリプトを定期自動実行ファイルを作成します。（3分毎に実行します。）

[root@www ~]# vi /etc/cron.d/ddns-update
*/3 * * * * root /usr/local/bin/update_ip_script.sh ドメイン パスワード "*"