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Add a standalone hostname-filtering egress proxy - #1237

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Weidong Cui (wdcui) wants to merge 2 commits into
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Add a standalone hostname-filtering egress proxy#1237
Weidong Cui (wdcui) wants to merge 2 commits into
uliteboxfrom
wdcui/ulitebox/broker-managed-egress-proxy

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@wdcuiWeidong Cui (wdcui) commented Aug 28, 2026•
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This PR adds a standalone litebox_egress_proxy executable that authorizes exact hostname-and-port rules, resolves each authorized hostname only through an explicitly configured DNS server, and forwards plain HTTP or CONNECT traffic to the returned numeric IPv4 addresses, with loopback or inherited-listener support, bounded HTTP and stream handling, hermetic tests, and cross-platform CI coverage.

Weidong Cui (wdcui)and others added 2 commits August 28, 2026 15:36
@wdcui
Add standalone hostname-filtering egress proxy
d4a46ff
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 239ec5f7-870a-4259-bcae-4ca85fb913a0
@wdcui
Simplify egress proxy DNS policy
f60aed2
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 239ec5f7-870a-4259-bcae-4ca85fb913a0
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🤖 SemverChecks 🤖 No breaking API changes detected

Note: this does not mean API is unchanged, or even that there are no breaking changes; simply, none of the detections triggered.

@wdcui

Weidong Cui (wdcui) commented Aug 29, 2026

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Superseded by the reviewable stack in #1238, #1239, and #1240.

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, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
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function addCopyButtons() {
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})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
Add a standalone hostname-filtering egress proxy by wdcui · Pull Request #1237 · microsoft/litebox · GitHub
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Add a standalone hostname-filtering egress proxy - #1237
Closed
Weidong Cui (wdcui) wants to merge 2 commits into
uliteboxfrom 
wdcui/ulitebox/broker-managed-egress-proxy
Closed
Add a standalone hostname-filtering egress proxy#1237
Weidong Cui (wdcui) wants to merge 2 commits into
uliteboxfrom 
wdcui/ulitebox/broker-managed-egress-proxy
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@wdcui
@wdcuiWeidong Cui (wdcui)
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Aug 28, 2026•

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This PR adds a standalone litebox_egress_proxy executable that authorizes exact hostname-and-port rules, resolves each authorized hostname only through an explicitly configured DNS server, and forwards plain HTTP or CONNECT traffic to the returned numeric IPv4 addresses, with loopback or inherited-listener support, bounded HTTP and stream handling, hermetic tests, and cross-platform CI coverage.
Weidong Cui (wdcui)and others
added 2 commits
August 28, 2026 15:36
@wdcui
Add standalone hostname-filtering egress proxy
d4a46ff
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 239ec5f7-870a-4259-bcae-4ca85fb913a0
@wdcui
Simplify egress proxy DNS policy
f60aed2
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 239ec5f7-870a-4259-bcae-4ca85fb913a0
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🤖 SemverChecks 🤖 No breaking API changes detected
Note: this does not mean API is unchanged, or even that there are no breaking changes; simply, none of the detections triggered.
@wdcui
Weidong Cui (wdcui)
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Aug 29, 2026

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Superseded by the reviewable stack in #1238, #1239, and #1240.
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
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} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Add a standalone hostname-filtering egress proxy by wdcui · Pull Request #1237 · microsoft/litebox · GitHub
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Add a standalone hostname-filtering egress proxy - #1237
Closed
Weidong Cui (wdcui) wants to merge 2 commits into
uliteboxfrom 
wdcui/ulitebox/broker-managed-egress-proxy
Closed
Add a standalone hostname-filtering egress proxy#1237
Weidong Cui (wdcui) wants to merge 2 commits into
uliteboxfrom 
wdcui/ulitebox/broker-managed-egress-proxy
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@wdcuiWeidong Cui (wdcui)
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This PR adds a standalone litebox_egress_proxy executable that authorizes exact hostname-and-port rules, resolves each authorized hostname only through an explicitly configured DNS server, and forwards plain HTTP or CONNECT traffic to the returned numeric IPv4 addresses, with loopback or inherited-listener support, bounded HTTP and stream handling, hermetic tests, and cross-platform CI coverage.
Weidong Cui (wdcui)and others
added 2 commits
August 28, 2026 15:36
@wdcui
Add standalone hostname-filtering egress proxy
d4a46ff
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 239ec5f7-870a-4259-bcae-4ca85fb913a0
@wdcui
Simplify egress proxy DNS policy
f60aed2
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 239ec5f7-870a-4259-bcae-4ca85fb913a0
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Aug 28, 2026

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🤖 SemverChecks 🤖 No breaking API changes detected
Note: this does not mean API is unchanged, or even that there are no breaking changes; simply, none of the detections triggered.
@wdcui
Weidong Cui (wdcui)
commented
Aug 29, 2026

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Superseded by the reviewable stack in #1238, #1239, and #1240.
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
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if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
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}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
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function highlight(node) {
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Array.from(node.childNodes).forEach(highlight);
}
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}
highlight(document.body);
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mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
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observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Add a standalone hostname-filtering egress proxy by wdcui · Pull Request #1237 · microsoft/litebox · GitHub
Skip to content
Add a standalone hostname-filtering egress proxy - #1237
Closed
Weidong Cui (wdcui) wants to merge 2 commits into
uliteboxfrom 
wdcui/ulitebox/broker-managed-egress-proxy
Closed
Add a standalone hostname-filtering egress proxy#1237
Weidong Cui (wdcui) wants to merge 2 commits into
uliteboxfrom 
wdcui/ulitebox/broker-managed-egress-proxy
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@wdcui
@wdcuiWeidong Cui (wdcui)
commented
Aug 28, 2026•

edited

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This PR adds a standalone litebox_egress_proxy executable that authorizes exact hostname-and-port rules, resolves each authorized hostname only through an explicitly configured DNS server, and forwards plain HTTP or CONNECT traffic to the returned numeric IPv4 addresses, with loopback or inherited-listener support, bounded HTTP and stream handling, hermetic tests, and cross-platform CI coverage.
Weidong Cui (wdcui)and others
added 2 commits
August 28, 2026 15:36
@wdcui
Add standalone hostname-filtering egress proxy
d4a46ff
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 239ec5f7-870a-4259-bcae-4ca85fb913a0
@wdcui
Simplify egress proxy DNS policy
f60aed2
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 239ec5f7-870a-4259-bcae-4ca85fb913a0
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Aug 28, 2026

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🤖 SemverChecks 🤖 No breaking API changes detected
Note: this does not mean API is unchanged, or even that there are no breaking changes; simply, none of the detections triggered.
@wdcui
Weidong Cui (wdcui)
commented
Aug 29, 2026

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Superseded by the reviewable stack in #1238, #1239, and #1240.
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
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var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
Add a standalone hostname-filtering egress proxy by wdcui · Pull Request #1237 · microsoft/litebox · GitHub
Skip to content
Add a standalone hostname-filtering egress proxy - #1237
Closed
Weidong Cui (wdcui) wants to merge 2 commits into
uliteboxfrom 
wdcui/ulitebox/broker-managed-egress-proxy
Closed
Add a standalone hostname-filtering egress proxy#1237
Weidong Cui (wdcui) wants to merge 2 commits into
uliteboxfrom 
wdcui/ulitebox/broker-managed-egress-proxy
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@wdcui
@wdcuiWeidong Cui (wdcui)
commented
Aug 28, 2026•

edited

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This PR adds a standalone litebox_egress_proxy executable that authorizes exact hostname-and-port rules, resolves each authorized hostname only through an explicitly configured DNS server, and forwards plain HTTP or CONNECT traffic to the returned numeric IPv4 addresses, with loopback or inherited-listener support, bounded HTTP and stream handling, hermetic tests, and cross-platform CI coverage.
Weidong Cui (wdcui)and others
added 2 commits
August 28, 2026 15:36
@wdcui
Add standalone hostname-filtering egress proxy
d4a46ff
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 239ec5f7-870a-4259-bcae-4ca85fb913a0
@wdcui
Simplify egress proxy DNS policy
f60aed2
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 239ec5f7-870a-4259-bcae-4ca85fb913a0
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Aug 28, 2026

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🤖 SemverChecks 🤖 No breaking API changes detected
Note: this does not mean API is unchanged, or even that there are no breaking changes; simply, none of the detections triggered.
@wdcui
Weidong Cui (wdcui)
commented
Aug 29, 2026

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Superseded by the reviewable stack in #1238, #1239, and #1240.
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Add a standalone hostname-filtering egress proxy by wdcui · Pull Request #1237 · microsoft/litebox · GitHub
Skip to content
Add a standalone hostname-filtering egress proxy - #1237
Closed
Weidong Cui (wdcui) wants to merge 2 commits into
uliteboxfrom 
wdcui/ulitebox/broker-managed-egress-proxy
Closed
Add a standalone hostname-filtering egress proxy#1237
Weidong Cui (wdcui) wants to merge 2 commits into
uliteboxfrom 
wdcui/ulitebox/broker-managed-egress-proxy
Conversation
@wdcui
@wdcuiWeidong Cui (wdcui)
commented
Aug 28, 2026•

edited

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This PR adds a standalone litebox_egress_proxy executable that authorizes exact hostname-and-port rules, resolves each authorized hostname only through an explicitly configured DNS server, and forwards plain HTTP or CONNECT traffic to the returned numeric IPv4 addresses, with loopback or inherited-listener support, bounded HTTP and stream handling, hermetic tests, and cross-platform CI coverage.
Weidong Cui (wdcui)and others
added 2 commits
August 28, 2026 15:36
@wdcui
Add standalone hostname-filtering egress proxy
d4a46ff
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 239ec5f7-870a-4259-bcae-4ca85fb913a0
@wdcui
Simplify egress proxy DNS policy
f60aed2
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 239ec5f7-870a-4259-bcae-4ca85fb913a0
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🤖 SemverChecks 🤖 No breaking API changes detected
Note: this does not mean API is unchanged, or even that there are no breaking changes; simply, none of the detections triggered.
@wdcui
Weidong Cui (wdcui)
commented
Aug 29, 2026

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Superseded by the reviewable stack in #1238, #1239, and #1240.
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Add a standalone hostname-filtering egress proxy by wdcui · Pull Request #1237 · microsoft/litebox · GitHub
Skip to content
Add a standalone hostname-filtering egress proxy - #1237
Closed
Weidong Cui (wdcui) wants to merge 2 commits into
uliteboxfrom 
wdcui/ulitebox/broker-managed-egress-proxy
Closed
Add a standalone hostname-filtering egress proxy#1237
Weidong Cui (wdcui) wants to merge 2 commits into
uliteboxfrom 
wdcui/ulitebox/broker-managed-egress-proxy
Conversation
@wdcui
@wdcuiWeidong Cui (wdcui)
commented
Aug 28, 2026•

edited

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This PR adds a standalone litebox_egress_proxy executable that authorizes exact hostname-and-port rules, resolves each authorized hostname only through an explicitly configured DNS server, and forwards plain HTTP or CONNECT traffic to the returned numeric IPv4 addresses, with loopback or inherited-listener support, bounded HTTP and stream handling, hermetic tests, and cross-platform CI coverage.
Weidong Cui (wdcui)and others
added 2 commits
August 28, 2026 15:36
@wdcui
Add standalone hostname-filtering egress proxy
d4a46ff
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 239ec5f7-870a-4259-bcae-4ca85fb913a0
@wdcui
Simplify egress proxy DNS policy
f60aed2
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 239ec5f7-870a-4259-bcae-4ca85fb913a0
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🤖 SemverChecks 🤖 No breaking API changes detected
Note: this does not mean API is unchanged, or even that there are no breaking changes; simply, none of the detections triggered.
@wdcui
Weidong Cui (wdcui)
commented
Aug 29, 2026

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MemberAuthor
Superseded by the reviewable stack in #1238, #1239, and #1240.
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
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.highlight, .highlight *,
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Add a standalone hostname-filtering egress proxy by wdcui · Pull Request #1237 · microsoft/litebox · GitHub
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Add a standalone hostname-filtering egress proxy - #1237
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Weidong Cui (wdcui) wants to merge 2 commits into
uliteboxfrom 
wdcui/ulitebox/broker-managed-egress-proxy
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Add a standalone hostname-filtering egress proxy#1237
Weidong Cui (wdcui) wants to merge 2 commits into
uliteboxfrom 
wdcui/ulitebox/broker-managed-egress-proxy
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@wdcuiWeidong Cui (wdcui)
commented
Aug 28, 2026•

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This PR adds a standalone litebox_egress_proxy executable that authorizes exact hostname-and-port rules, resolves each authorized hostname only through an explicitly configured DNS server, and forwards plain HTTP or CONNECT traffic to the returned numeric IPv4 addresses, with loopback or inherited-listener support, bounded HTTP and stream handling, hermetic tests, and cross-platform CI coverage.
Weidong Cui (wdcui)and others
added 2 commits
August 28, 2026 15:36
@wdcui
Add standalone hostname-filtering egress proxy
d4a46ff
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 239ec5f7-870a-4259-bcae-4ca85fb913a0
@wdcui
Simplify egress proxy DNS policy
f60aed2
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 239ec5f7-870a-4259-bcae-4ca85fb913a0
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Aug 28, 2026

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🤖 SemverChecks 🤖 No breaking API changes detected
Note: this does not mean API is unchanged, or even that there are no breaking changes; simply, none of the detections triggered.
@wdcui
Weidong Cui (wdcui)
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Aug 29, 2026

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Superseded by the reviewable stack in #1238, #1239, and #1240.
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