change

_config.yml

@@ -15,18 +15,18 @@ sass:
 
 permalink: /posts/:title/
 texture:
-  title: Adam Denisov
-  tagline: Developer. Designer
+  title: security project
+  tagline: 김서진
   date_format: "%b %-d, %Y"
   style: black
   showNav: false
   showPicker: true
 
   # generate social links in footer
   social_links:
-    twitter: thelehhman
-    github:  thelehhman
-    linkedIn: in/thelehhman
+    #twitter: thelehhman
+    #github:  thelehhman
+    #linkedIn: in/thelehhman
     rss: rss
 
 
@@ -40,4 +40,4 @@ texture:
 
 plugins:
   - jekyll-seo-tag
-#  - jekyll-feed
+#  - jekyll-feed

_pages/.gitkeep

@@ -0,0 +1 @@
+

_pages/default.html

@@ -0,0 +1,203 @@
+---
+layout: page
+title: "NETWORK SECURITY PROJECT"
+description: /personal project/
+date:   2025-08-11 15:03:36 +0530
+categories: GNS3 pfSense Rocky Ubuntu kali OSSEC ZABBIX
+---
+<h1>NETWORK SECURITY PROJECT</h1>
+<p>
+  본 프로젝트는 GNS3 환경에서 방화벽, VPN, NIDS, HIDS, 모니터링 툴을 통합 적용하여 다양한 네트워크 보안 시나리오를 실습하고 결과를 정리한 것입니다.
+  각 항목별로 구성도, 규칙, 실행 결과 캡처를 포함하였습니다.
+</p>
+
+<h2>GNS3 상세</h2>
+<img src="/assets/images/popo.PNG" alt="GNS3 상세 1" class="thumbnail">
+<img src="/assets/images/popo2.PNG" alt="GNS3 상세 2" class="thumbnail">
+
+<hr>
+
+<h2>Firewall Rule</h2>
+<ol>
+  <li>
+    <strong>Firefox3 → inside : http, telnet 접속</strong><br>
+    http <img src="/assets/images/fire3-inside-http.PNG" alt="결과 1" class="thumbnail">
+    telnet <img src="/assets/images/fire3-inside-telnet.PNG" alt="결과 1" class="thumbnail">
+  </li>
+  <li>
+    <strong>Webterm2(firefox5) → dmz : telnet 접속</strong><br>
+    <img src="/assets/images/fire5-dmz-telnet.PNG" alt="결과 2" class="thumbnail">
+  </li>
+  <li>
+    <strong>PC1 → Webterm1(firefox4) : ping 가능</strong><br>
+    <img src="/assets/images/pc1-fire4-ping.PNG" alt="결과 3" class="thumbnail">
+  </li>
+  <li>
+    <strong>Webterm1(firefox4) → R1 : http, telnet 가능</strong><br>
+    http <img src="/assets/images/web1(fire4)-r1http3333.PNG" alt="결과 4" class="thumbnail">
+    telnet <img src="/assets/images/web1(fire4)-r1telnet2222.PNG" alt="결과 4" class="thumbnail">
+  </li>
+  <li>
+    <strong>Webterm2(firefox5) → PC1 : ping 가능</strong><br>
+    <img src="/assets/images/web2(fire5)-pc1-ping-kkk.PNG" alt="결과 5" class="thumbnail">
+  </li>
+</ol>
+
+<hr>
+
+<h2>HSRP</h2>
+<strong>active</strong><br>
+<img src="/assets/images/HSRP-active.PNG" alt="결과 5" class="thumbnail"><br>
+<strong>standby</strong><br>
+<img src="/assets/images/HSRP-standby.PNG" alt="결과 5" class="thumbnail">
+
+<hr>
+
+<h2>openVPN</h2>
+<img src="/assets/images/openvpn.PNG" alt="OpenVPN 성공" class="thumbnail">
+
+<hr>
+
+<h2>Snort / Suricata Rule</h2>
+<ol>
+  <li>Win10 → OSSEC : http, ping 탐지</li>
+  <li>CentOS7 → Win10 : ping 탐지</li>
+  <li>HIDS → CentOS7 : <code>/etc/passwd</code> command injection 공격 탐지</li>
+  <li>Kali → Win10 : Rand Source Attack DDoS 탐지</li>
+  <li>Kali → CentOS7 : SYN Flag Scanning 탐지</li>
+</ol>
+
+<hr>
+
+<h2>SNORT 실행 결과</h2>
+<strong>1. Win10 → OSSEC : http, ping 탐지</strong><br>
+http <img src="/assets/images/snort(win10-ossec)http.PNG" alt="Snort 결과 1" class="thumbnail"><br>
+ping <img src="/assets/images/snort(win10-ossec)ping-cmd.PNG" alt="Snort 결과 1" class="thumbnail">
+<img src="/assets/images/snort(win10-ossec)ping.PNG" alt="Snort 결과 1" class="thumbnail">
+
+<strong>2. CentOS7 → Win10 : ping 탐지</strong><br>
+<img src="/assets/images/rocky-win-ping.PNG" alt="Snort 결과 2" class="thumbnail">
+<img src="/assets/images/rocky-win-ping-result.PNG" alt="Snort 결과 2" class="thumbnail">
+
+<strong>3. HIDS → CentOS7 : 공격 탐지</strong><br>
+<img src="/assets/images/rockinjectcurl.PNG" alt="Snort 결과 3" class="thumbnail">
+<img src="/assets/images/rockyinjectiondetc.PNG" alt="Snort 결과 3" class="thumbnail">
+
+<strong>4. Kali → Win10 : Rand Source Attack DDoS 탐지</strong><br>
+<img src="/assets/images/random-attack.PNG" alt="Snort 결과 4" class="thumbnail">
+<img src="/assets/images/kali-winrandattack444444.PNG" alt="Snort 결과 4" class="thumbnail">
+
+<strong>5. Kali → CentOS7 : SYN Flag Scanning 탐지</strong><br>
+<img src="/assets/images/synflagattack.PNG" alt="Snort 결과 5" class="thumbnail">
+<img src="/assets/images/suri-kali-rocky-syn-attack-det.PNG" alt="Snort 결과 5" class="thumbnail">
+
+<hr>
+
+<h2>Suricata 실행 결과</h2>
+<strong>1. Win10 → OSSEC : http, ping 탐지</strong><br>
+ping <img src="/assets/images/suriwin-ossec-ping.PNG" alt="Suricata 결과" class="thumbnail">
+<img src="/assets/images/surwin-ossec-pingdetect.PNG" alt="Suricata 결과" class="thumbnail"><br>
+http <img src="/assets/images/win-ossechttpdet.PNG" alt="Suricata 결과" class="thumbnail">
+
+<strong>2. CentOS7 → Win10 : ping 탐지</strong><br>
+<img src="/assets/images/surirocky-win-ping.PNG" alt="Suricata 결과" class="thumbnail">
+<img src="/assets/images/surirocky-winping-det.PNG" alt="Suricata 결과" class="thumbnail">
+
+<strong>3. HIDS → CentOS7 : 공격 탐지</strong><br>
+<img src="/assets/images/suri-injection-attack.PNG" alt="Suricata 결과" class="thumbnail">
+<img src="/assets/images/suri-injection-detec.PNG" alt="Suricata 결과" class="thumbnail">
+
+<strong>4. Kali → Win10 : Rand Source Attack DDoS 탐지</strong><br>
+<img src="/assets/images/surikali-win-randattack2.PNG" alt="Suricata 결과" class="thumbnail">
+<img src="/assets/images/surikali-winrandattack.PNG" alt="Suricata 결과" class="thumbnail">
+
+<strong>5. Kali → CentOS7 : SYN Flag Scanning 탐지</strong><br>
+<img src="/assets/images/surikali-rocky-synattack.PNG" alt="Suricata 결과" class="thumbnail">
+<img src="/assets/images/suri-kali-rocky-syn-attack-det.PNG" alt="Suricata 결과" class="thumbnail">
+
+<hr>
+
+<h2>OSSEC</h2>
+<strong>Server</strong><br>
+<img src="/assets/images/ossecserver.png" alt="OSSEC Server" class="thumbnail">
+<img src="/assets/images/ossecserver2.png" alt="OSSEC Server" class="thumbnail"><br>
+<strong>Agent</strong><br>
+<img src="/assets/images/ossecagent.png" alt="OSSEC Agent" class="thumbnail"><br>
+<strong>Windows</strong><br>
+<img src="/assets/images/windowossec1.PNG" alt="OSSEC Windows" class="thumbnail">
+<img src="/assets/images/windowossec4tail.PNG" alt="OSSEC Windows" class="thumbnail">
+<img src="/assets/images/ossecwindowfinal.png" alt="OSSEC Windows" class="thumbnail">
+
+<hr>
+
+<h2>Zabbix</h2>
+<strong>Server</strong><br>
+<img src="/assets/images/zabbixhome.PNG" alt="Zabbix Server" class="thumbnail"><br>
+<strong>Agent/windows</strong><br>
+<img src="/assets/images/zabbixwindowre.PNG" alt="Zabbix Agent" class="thumbnail">
+
+<hr>
+
+<p><em>본 페이지의 모든 이미지는 클릭하면 원본 크기로 볼 수 있습니다.</em></p>
+
+<style>
+.thumbnail {
+  max-width: 200px;
+  height: auto;
+  cursor: pointer;
+  margin: 5px;
+  border: 1px solid #ccc;
+  transition: transform 0.2s;
+}
+.thumbnail:hover {
+  transform: scale(1.05);
+}
+.lightbox {
+  display: none;
+  position: fixed;
+  z-index: 1000;
+  padding-top: 60px;
+  left: 0;
+  top: 0;
+  width: 100%;
+  height: 100%;
+  overflow: auto;
+  background: rgba(0,0,0,0.9);
+}
+.lightbox img {
+  margin: auto;
+  display: block;
+  max-width: 90%;
+  max-height: 80%;
+}
+.close {
+  position: absolute;
+  top: 30px;
+  right: 45px;
+  font-size: 40px;
+  color: white;
+  text-decoration: none;
+}
+</style>
+
+<script>
+document.addEventListener("DOMContentLoaded", function() {
+  const thumbnails = document.querySelectorAll(".thumbnail");
+  thumbnails.forEach(img => {
+    img.addEventListener("click", function() {
+      const lightbox = document.createElement("div");
+      lightbox.classList.add("lightbox");
+      lightbox.innerHTML = `
+        <a href="#" class="close">&times;</a>
+        <img src="${img.src}" alt="${img.alt}">
+      `;
+      document.body.appendChild(lightbox);
+      lightbox.style.display = "block";
+      lightbox.querySelector(".close").addEventListener("click", function(e) {
+        e.preventDefault();
+        lightbox.remove();
+      });
+    });
+  });
+});
+</script>

_posts/2019-05-23-welcome-to-jekyll.markdown

@@ -1,7 +1,7 @@
 ---
 layout: post
-title:  "Hello, Jekyll"
-date:   2019-05-23 21:03:36 +0530
+title:  "Project2"
+date:   2025-09-01 21:03:36 +0530
 ---
 Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse